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Fault messages & troubleshooting
Fan defective. Operation not possible (1481)
Switch on the device and measure the voltage at the
main contactor Q1, terminals A1 and A2. Is voltage
present and activated (switched on) at the main
contactor?
No voltage present. There is a fault in the STB
Has the safety temperature limiter tripped?
Check fuse F500 on control board A1. Has the fuse
Check the following parts in the order for short circuit:
58
Description
The control board A1 does not receive any response via the CAN bus
cable from motor power board T10. There is an fault in the fan area.
Troubleshooting
No
circuit.
No
blown?
- Main contactor Q1
- Solenoid valve K12
- WaveClean pump G16
-Siphon pump G24
- Cooling fan
- Control board
Service-instructions
Yes
Voltage present. There is an error in the fan area.
Continued on next page
Yes
Reset safety temperature limiter. Check solid state
relay and replace if necessary.
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