Troubleshooting
22 Operating instructions
6 Troubleshooting
6.1 Cause of failure and the remedy
Failure Possible causes Remedy
The unit does not react Operating element defective • Disconnect the unit from the electric
mains.
• Contact Customer service.
The unit does not heat up Unit switched off • Switch on the unit.
Power supply interrupted • Contact the authorized technical person-
nel.
Unit defective • Disconnect the unit from the electric
mains.
• Contact Customer service.
Insufficient heat output Unit defective • Disconnect the unit from the electric
mains.
• Contact Customer service.
Display shows "A01" Sensor on the main circuit board is
defective
• Disconnect the unit from the electric
mains.
• Contact Customer service.
Display shows "A02" Permitted temperature in the
bottom housing has been exceeded
• Disconnect the unit from the electric
mains.
• Allow the unit to cool down.
• Switch on the unit.
Display shows "A03" Sensor on the power board is
defective
• Disconnect the unit from the electric
mains.
• Contact Customer service.
Display shows "A04" Permitted temperature in the
bottom housing has been exceeded
• Disconnect the unit from the electric
mains.
• Allow the unit to cool down.
• Switch on the unit.
6.2 Nameplate
When contacting Customer service, please always provide the
following data from the nameplate:
Serial number
(SN)
Type number
(TYP)
1001247120ABBE-C