1.12 Electric Interface Board Diagnostic Chart
The following diagram and charts provide ten quick system checks that can be performed using only a multimeter.
|
|
| 3 | 2 | 1 |
|
|
|
|
|
| 6 | 5 | 4 |
|
|
|
|
|
| 9 | 8 | 7 |
|
|
|
|
|
| 12 | 11 | 10 |
|
|
|
|
|
| 15 | 14 | 13 |
|
|
|
K1 |
|
| K2 | K3 | K4 |
|
| |
10 | 7 | 4 | 1 |
| 10 | 7 | 4 | 1 |
11 | 8 | 5 | 2 |
| 11 | 8 | 5 | 2 |
12 | 9 | 6 | 3 |
| 12 | 9 | 6 | 3 |
Note: The sealed relays are replaceable. If a relay fails, the replacement part number is
| Diagnostic LED Legend |
CMP | indicates power from 12V transformer |
24 | indicates power from 24V transformer |
HI | (RH) indicates output (closed) from right latch |
| relay |
HI | (LH) not applicable to Ultimate Electric fryers |
HT | (RH) indicates output from right heat relay |
HT | (LH) not applicable to Ultimate Electric fryers |
AL | (RH) indicates output (open) from right latch |
| relay |
AL | (LH) not applicable to Ultimate Electric fryers |
|
|
Meter Setting | Test | Pin |
| Pin | Results |
12 VAC Power | 50 VAC Scale | 1 of J2 |
| 3 of J2 | |
24 VAC Power | 50 VAC Scale | 2 of J2 |
| Chassis | |
*Probe Resistance | R X 1000 OHMS | 11 of J2 |
| 12 of J2 | See Chart |
R X 1 OHMS | 7 of J2 |
| 4 of J2 | 0 - OHMS | |
Latch Contactor Coil | R X 1 OHMS | 8 of J2 |
| Chassis | |
Heat Contactor Coil | R X 1 OHMS | 9 of J2 |
| Chassis |
*Disconnect