Message text
Cause
Solution
Check/Reset breaker 1F5
or 1F6 - 24 V DC!
Breaker 1F5 or 1F6 - 24 V DC has
been triggered
Check breaker 1F5 or 1F6 - 24 V DC,
rectify defect, where necessary, and
reactivate breaker
Temperature of control
cabinet above 45 °C!
Inadequate cooling of the control
cabinet by:
n
Used filter mat
n
Defective fan
n
High ambient temperature
n
Air inlet and/or outlet not guar‐
anteed
Eliminate the source of the error and
monitor the result
External fault!
Contact input for external fault acti‐
vated
Check connected systems for external
fault and eliminate external fault
Lamp driver 1/2/3 - Fan
fault
Fan lamp driver 1/2/3 dirty or faulty Inspect and clean fan or replace lamp
driver
Lamp driver 1/2/63 -
Cooling temperature
Fault on cooling system or fan
Check cooling system and fan, replacing
lamp driver if necessary
Lamp driver 1/2/3 - Input
voltage fault
Input voltage outside of the specifi‐
cation
Check power supply
Lamp driver 1/2/3 - Lamp
open
UV lamp defective
Replace the UV lamp
Lamp driver 1/2/3 - Lamp
short-circuit
UV lamp defective
Replace the UV lamp
Lamp driver 1/2/3 - Error
Lamp driver not ready for operation
or defective
Switch UV system off and on, replace
lamp driver
System not configured
Parameter set for system not con‐
figured (set at the factory)
Contact service technician. An incorrect
parameter set can lead to defects on the
UV system
Water temperature
exceeding 65 °C!
Overheating of the water tempera‐
ture in the radiation chamber due
to stagnation or low water flow
Ensure water flow
Wiper motor!
Wiper motor reports a defect
n
Check wiper motor (electrical and
mechanical) and replace if necessary.
n
The UV system can continue running
by disabling the wiper (wiper interval
= 0) until the cause is eliminated.
Wiper motor counter
The counter on the wiper motor
reports an error
n
Check the wiring, re-calibrate the
wiper, replacing wiper motor if neces‐
sary.
n
The UV system can continue running
by disabling the wiper (wiper interval
= 0) until the cause is eliminated.
Error messages
Troubleshooting
96