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| WIRING DIAGRAM - INVERTEC |
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| L2 RIGHT |
| D1A |
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| 204 | F | S | F | 2W |
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| + ARC | ||
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| BACK |
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| F |
| 10 |
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| BACK |
| AUX. |
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| + |
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| OUTSIDE | S | S |
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| TP5 |
| C5 |
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| 204 |
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| 229 |
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| S |
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| TP6 |
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| C1 |
| 206 | 204 |
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| F |
| D2B |
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| I |
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| 1600/450 |
| - |
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| INSIDE | F | BACK |
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| TP4 |
| C6 |
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| 201 |
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| 201 | SF |
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| 203A | 201 |
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| - ARC | ||||
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| F |
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| POWER | 205 | 205 |
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| I | 205 | F | S |
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| SHUNT THERMOSTAT | 317 | B W | SHUNT |
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| BOARD |
| Y | Y | FRONT |
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| FRONT |
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| 320 |
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| 2 |
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| OUTSIDE | S |
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| 304 |
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| CC SOFT |
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| F |
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| + |
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| T3 |
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| 1 |
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| S2 | |||
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| S |
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| D2A |
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| 303 |
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| S1 |
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| C2 |
| 202A |
| CURRENT |
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| BACK | S FRONT | 309+W § AA6Œqb 31/321 |
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| 2 | W |
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| CC GTAW | MODE | |||||||
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| TRANSFORMER |
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| J4 | 1 | 303A |
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| SWITCH | ||||||||||||
| POWER |
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| 1600/450 | - |
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| INSIDE |
| AUX. |
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| 310 | 6 |
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| B | 305 |
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| CC CRISP |
| |||
| OFF | ON |
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| 208 |
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| 208 | F | F |
| 10 | 307 | 7 |
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| 3 |
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| C | F |
| 207A |
| 207A | 208 |
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| 308 | 4 |
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| 1 | 375 |
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| U |
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| - |
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| 2W | J2 |
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| S | F | 311 | 2 |
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| TP1 |
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| D9 |
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| 1 |
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| T1 |
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| 2 | 377 | 303A |
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| REMOTE |
| S3 | ||||||
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| 308 |
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| 313 | 8 |
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| H4A |
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| MAIN |
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| D1B |
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| 3 | 324 |
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| B | INPUT |
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| 2 | 307 |
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| L1 LEFT |
| Y | 3 |
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| 330 |
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| LOCAL |
| LOCAL/REMOTE | ||||||
INPUT | V |
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| TRANSFORMER |
| 320 |
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| 4 | 376 |
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| SWITCH | ||||||||||
TP2 |
| BRIDGE |
|
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| J6 | 3 | 310 |
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| Y | 5 |
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| 5 | 330 |
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| |||||
PER |
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| 4 | 311 |
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| ||||
N.A. |
| TP3 |
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| OUTPUT |
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| 6 | 321 | 377 |
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| CW (MAX) |
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| A | D |
| 209 |
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| 5 | 313 |
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| + |
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| RECTIFIER |
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| 316 | 2 |
| J3 |
| 7 | 303 |
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| R3 | |||||||||
| W |
| H1 |
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| 209 | 6 | 309 |
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| HEATSINK |
| 318 |
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| 8 | 305 | 376 |
| R3 | 10K |
| OUTPUT | ||||||
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| H1 |
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| THERMOSTAT |
| 317 | 4 | J1 |
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| 3 |
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| 9 | 304 |
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| 2W |
| CONTROL | ||||
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| REAR |
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| 318 |
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| R |
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| 10 | 327 | 375 |
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| POWER BOARD |
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| R | 1 |
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| 11 | 328 |
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| TERMINAL |
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| HEATSINK |
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| 375B |
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INVERTEC |
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| 12 | 229 |
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| H2 |
| THERMOSTAT |
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| R4R5 | 50K |
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| H4A |
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| FAN |
|
| 316 |
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| CONTROL |
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| 13 | 319 | 327 |
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| CW (MAX) | R4 | |||||
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| 0.6 AMP | H1 |
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| MOTORS |
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| BOARD |
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| 14 |
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| J5 |
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| 10K |
| ARC FORCE | ||||||||
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| SLOW |
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| 328 |
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| BLOW | H3 |
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| 2W |
| CONTROL | |
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| 1 | 4 | 2 | 5 | 6 | 3 |
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| H4 |
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| J7 |
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| SIDE |
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| H1 |
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| TERMINAL |
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| H1 | 1 |
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| 324 |
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| CW (MAX) | R5 | ||
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| 0V |
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| 322 | 318 | 75 76 77 |
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| HOT START | ||||||
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| 400V | 4 |
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| R |
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| 2W |
| CONTROL | ||
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| H3 |
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| 375B |
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| H3 | 2 |
| 18V |
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| 220V |
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| R |
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| H4 | 3 | H4 |
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| 6 | H5 |
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| 5 |
| T2 |
| J4 | J1 | J5, J6, J7 | J2 |
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| J3 |
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| 321 |
| + |
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| AUXILIARY |
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| COLOR CODE: |
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| THERMAL | |||||||
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| TRANSFORMER |
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| B = BLACK |
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| Y |
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| OVERLOAD | ||||||
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| G = GREEN |
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| INDICATOR | |||||
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| R = RED |
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| CONNECTOR CAVITY NUMBERING SEQUENCE |
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| W = WHITE |
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| 319 |
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| Y = YELLOW |
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| |||||||||||
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| (VIEWED FROM COMPONENT SIDE OF BOARD) |
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| |||||||||||
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| ||||||||
NOTES: |
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| 322 | D |
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| 2 | GTAW (REMOTE) |
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| 318 | E | MIN | 4 | TRIGGER | ||
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| 75 | C |
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N.A. THREE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES. |
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| 75 |
| REMOTE | ||||||||||||
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CONNECT TERMINALS U, V & W TO SUPPLY CIRCUIT. |
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| 76 | B |
| 76 |
| OUTPUT | |||||
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| 77 | A |
| 77 |
| CONTROL |
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| G | F |
| GND |
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| REMOTE |
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| CONTROL |
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| RECEPTACLE |
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| ELECTRICAL SYMBOLS PER E1537 |
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NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..