Technical data

Rev.February 1996 Conti-Dryer Page 28
CD 25-600
7.0 TROUBLESHOOTING
7.1 The machines does not start / dies
Signal: green light does not light up
Cause Remidial action
1. No power Check main connections / fuse
2. Fuse on PCB defective Replace
3. Circuit breaker overload OFM1 Reset QFM1 (see 6.1)
for motor cut out
4. Fuses on primary side of Replace FU1/FU2
transformator cut out
5. Fuse for secondary circuit cut out Replace FU 3
If a fuse cuts out more than twice, call
for a repairman
Signal: green lamp lights up, red over-load lights up
Cause Remidial action
Circuit breaker overload QFM1 Open control box, reset red button on
QFM1
Possible causes for cut out of circuit breaker overload for motor:
- phase missing
- motor overloaded
- fi lter clogged
- worn down
- blocking
7.2 The machine runs, but heats insuffi ciently
A: Signal: green lamp lights up + red overtemperature light on
Cause Remidial action
Overtemperature control cut out: Leave it to cool down
Overtemperature control defective Replace