Troubleshooting
103Operating instructions
6 Troubleshooting
DANGER
Danger to life due to electric shock
• Repairs to the unit may only be performed by qualified
technical personnel.
ATTENTION
Risk of physical damage from improper intervention
• Do not open the unit.
• Do not tamper with the unit.
6.1 Causes of errors and remedies
Error Possible causes Remedy
"ON OFF" button does not
respond
Touchscreen is not displaying
anything
Electrical supply interrupted or fuse
defective
• Check fuses.
Power socket defective • Disconnect the unit from the electric
mains.
• Contact the authorized technical person-
nel.
Power pack or unit defective • Disconnect the unit from the electric
mains.
• Contact the authorized technical person-
nel.
Emergency off activated • See "Deactivating emergency off".
Touchscreen does not respond Major external interference • Touch the housing while operating the
touchscreen.
The unit does not heat up Unit switched off • Switch on the unit.
Fuse defective • Disconnect the unit from the electric
mains.
• Contact the authorized technical person-
nel.
Power optimisation system connected
incorrectly
• Disconnect the unit from the electric
mains.
• Contact the authorized technical person-
nel.
Electrical supply interrupted • Contact the authorized technical person-
nel.
Unit defective • Disconnect the unit from the electric
mains.
• Contact the authorized technical person-
nel.
Water does not drain properly Drain clogged • Unscrew the lid from the drain.
• Check the drain for clogging and clean if
necessary.
• Contact customer service.
4426201-20ABBE-A
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