20
Miditherm MP
Fault Cause Elimination
Always first switch off the unit
and pull out the plug!
(* = exceptions)
After switching on unit, • No power • Check in-house power network / socket.
display is blank • Check installation ( 8).
• Check fuses ( appendix).
- - : - - (signal „door open“) • Door switch is stuck or • Check door switch.
when door is closed defective. • Call after-sales service.
Er01, Er02, Er03 • Thermocouple defective • Replace thermocouple ( appendix).
• Thermocouple connections loose • Tighten connections.
• Defective electronics • Call after-sales service.
Er04 • Thermocouple connected incorrectly • Change connections ( appendix).
• Heater defective • Check heater for continuity. If necessary,
replace heating mould ( appendix).
Er06 • Furnace heats unprompted. • Call after-sales service.
Incorrect time * Set time ( 17).
Time and/or program are • Controller defective • Replace controller.
no longer stored
LED lights up, but • Heater defective • Check heater for continuity. If necessary,
furnace does not get warm replace heating mould ( appendix).
• Controller defective • Replace controller.
Furnace does not get warm when • Long power failure • Check in-house power network for
„Set Finished time“ has been set time switching.
„Increase/reduce temperature“ • The „Start/Stop“ button * Create new program with desired final
does not function in was pressed temperature. Start program.
running program
Calculated and actual Finished time Voltage fluctuations in the power * Carry out correction program ( 15).
deviate significantly from each other network
If an error message occurs (Er XX), an acoustic signal sounds for 3 minutes.
Eliminating faults
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