Applicable Systems
FC-302
FC-301
Symptoms
Motor overheat or thermistor open circuit. P128 selects warning or alarm.
Possible Causes
- Motor thermistor
Troubleshooting Steps
- Step 1: Check PTC thermistor connection on terminals 18/19/27/29 and terminal 50 (+10V).
Fault resolved after action
How to Reset
Reset by: 1) Correct the fault condition. 2) Press RESET button or cycle power. 3) Verify fault does not recur.
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Source: Danfoss VLT 2800 Manual (sinodrive.com)
Category: Electrical
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