Convotherm OEB Series Service Handbook page 238

Mini-world service manual
5. Troubleshooting list and error messages - mini-world electronics
The last 10 error messages are stored in the service programme r38. In this service programme you
can query the error messages with date and time (by pressing Mr. C) and delete them in the service
programme d01. With the easy touch controls, to query the last error messages you must switch to the
settings screen see chapter 3.6
For the various software versions of the easy touch controls the error messages are shown using ID
numbers see error messages in table.
Error Error description
message
5.1 Error messages
E00.0 No error
E01.0 Not enough
water (water
ID=33
pressure below
0.5 bar 3
seconds after
valve switched
through)
E02.0 Excessive
temperature in
ID=24
the wiring space
At a temperature >
45°C the auxiliary
fan is switched on.
Error threshold at
80°C
E03.0 Fan malfunction
(excessive
ID=72
temperature in
the motor
winding)
thermoprotecti
on contact has
tripped
E04.0 Auxiliary fan
malfunction
ID=36
Motor current too
high etc.:
threshold of 1.5A
(V1-V2)
KD / 31.03.2009
Possible cause or remedy
•
Previous error no longer exists e.g. lack of water or excess
temperature (the actual error can be queried in the logbook)
•
Tap closed
•
Solenoid valve Y4 faulty
•
Pressure switch S1 defective
•
Dirt filter in the solenoid valve or in the mains water connection
dirty
•
T-piece for pressure switch / manometer or injection nozzle in
water supply blocked / dirty
•
Contact problems between pressure switch and terminal strip
X15 of the control module
•
Appliance not connected to soft water and therefore inlet
calcified
•
Vent slits blocked by an inadequate space between appliance
and wall
•
Air supply blocked
•
Minimum distance to heat sources not observed
•
+ and - of the 12 V auxiliary fan reversed
•
Fan motor has excessive temperature in the winding
a) Condenser defective
b) Fan motor defective
c) Contact problem on connecting wires of motor
d) Motor shaft is blocked
e) Thermoprotection contact in the motor winding (bi-metallic
strip) defective or interrupted
•
Auxiliary fan fault
•
Auxiliary fan wiring interrupted
•
Auxiliary fan blocked
Clean with needle
5_00d_Fehlersuchliste_Mini_f_EN.doc
ST ST
5020 7000
easy
touch
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