Thermo E 200 / 320 5 Troubleshooting and error correction
509
5.4.5 Error symptom "Flame detector
defective"
The flame detector cannot be replaced. Optionally the
control unit is to be replaced.
5.4.6 Error symptoms "Temperature sensor /
overheating protection defective" and
"Overheating"
Are the temperature sensor plugs,
contacts and cables OK?
Is the temperature sensor OK?
Is sufficient cooling and coolant flow
ensured?
Are all shut-off devices opened?
Is the cooling system leak-tight, com-
pletely filled and purged?
Is a circulating pump connected and
the direction of rotation of the circulat-
ing pump correct?
Is the coolant cold-resistant?
Replace control unit.
Correct error and/or replace the
component.
Correct error
NEIN
JA
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