ProMinent Dulcodes M Operating Instructions Manual page 38

Troubleshooting
Fault
Wiper fault
Possible cause
Remedy
Possible cause
Remedy
Possible cause
Remedy
↓↓ ↓↓ ↓↓ ↓↓ ↓↓
Cal. factor =
0,420
Time 5:00
Possible cause
Remedy
Possible cause
Remedy
Fault
other Fault
Possible cause
Remedy
Possible cause
Remedy
Fault
Power supply
< 180 V
Cause
Remedy
Fault
bus error
Possible cause
Remedy
Possible cause
Remedy
Possible cause
Remedy
Page 38
Message: wiper fault
Limit switch connected incorrectly.
Change the two limit switch connections around
Faulty limit switch.
Replace limit switch
Faulty wiper motor.
Replace wiper motor
Flashing double arrow appears during calibration
If a flashing double arrow appears in the calibration display instead of the sensor
signal, the sensor signal is too weak for correct calibration. Calibration cannot be
carried out.
The protective tube and/or UV sensor are contaminated.
Clean the protective tube and/or UV sensor
Faulty UV sensor.
Use a new UV sensor
Fault message: other fault
Press the ENTER key to acknowledge the fault message
External fault indicator triggered.
Correct external fault
External fault indicator not connected and contacts at fault input not jumpered.
Jumper contacts at fault input
Fault message: power supply less than XXX V
The supply voltage has fallen below the minimum.
Check supply voltage
Fault message: bus error
Bus connection interrupted.
Restore bus connection (see "Function and Fault Displays on the Ballasts")
Supply voltage too low on one or more of the ballasts.
Check supply voltage and fine-wire fuse in the ballast (skilled electricians only)
Faulty ballast.
Replace ballast (skilled electricians only)
®
ProMinent