48
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n
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3
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English
⋅
Miditherm MP
en
Replacement of a defective thermocouple
Time and/or program are no
longer stored
Controller defective
Replace controller.
LED
lights up, but furnace
does not get warm
Heater defective
Check heater for continuity.
If necessary, replace heating
mould (
→
page 49).
Controller defective
Replace controller.
Furnace does not get warm when
"Set Finished time" has been set
Long power failure
Check in-house power network
for time switching.
"Reducing or increasing temper-
ature in running program" does
not function
The "Start/Stop" button was
pressed.
* Create new program with desired
final temperature. Start program.
Calculated and actual Finished
time deviate significantly from
each other
Voltage fluctuations in the power
network
* Carry out correction program
(
→
page 42).
Jamb brick defective
Replace jamb brick (
→
page 50)
1)
If an error message occurs (Er XX), an acoustic signal sounds for 3 minutes.
Malfunction
Cause
Elimination
page 47