Troubleshooting
Control Board Malfunction (Steps)
| STEP 1. |
BEEP | Turn engine |
| OFF and set |
| meter to |
| continuity. |
-
| ti14938a |
+ | Pump |
| On/Off |
- | Switch |
To Ground
3900
To Engine
5900/7900
On/Off Switch
WatchDog
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| STEP 2. |
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| 12 | Turn engine |
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| ON. Set meter |
| V | ||
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| V | to AC volts and |
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| connect wires |
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| to control | ti14940a | ||||
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ti14939a | board. |
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| Control |
| + | ||
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| - | Board | + |
| + | |
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| Control | ||
| J2 | J1 |
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Engine |
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| Board | |
Generator |
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| To Clutch |
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| Field | Pinion | Drive |
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| + | Assembly | Housing |
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| Clutch Test Points |
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| J10 |
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| LED |
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| D12 |
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J2 | J1 |
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| Control |
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| Board |
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| ti14943a |
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J3 | J4 |
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| J5 |
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| J9 |
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Transducer
Premium Display Board
STEP 3.
Leave engine running and turn switch ON. Turn potentiometer to high and set meter to DC volts.
Clutch
Field
ti14942a
-
Control
Board
-
+
-+
STEP 4.
Turn engine OFF and unplug clutch wires. Set meter to Ohms.
Clutch
Field
Potentiometer
STEP 5. |
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Turn engine | Control |
ON and turn | Board |
switch ON. |
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J5
ti14941a
Clutch Test Points
3A0243A | 9 |
