Convotherm OEB Series Service Handbook page 232

Service manual OEB/OES/OGB/OGS
OEB OES OGB OGS Defect
5.4 Condenser
5.5 Motor
KD / 31.03.2009
5.4.1 Constant water supply in
the condenser
5.4.2 No supply of cooling water
in the condenser or supply too
low
5.5.1 Motor does not run after
start of programme
Possible cause or remedy
•
Solenoid valve Y1 is not closing
a) Solenoid valve contaminated
b) Solenoid valve defective
c) Water pressure too low
•
Short circuit of the B3 sensor wiring
•
Appliance connected to hot water
water
•
Solenoid valve Y1 reversed with Y2 or Y3
•
Check polarity of the B3 sensor connection
(green/white)
•
Water supply pipe closed
•
Condenser quenching nozzle contaminated
•
Dirt filter in hose fitting contaminated
•
Inlet filter in the solenoid valve
contaminated Clean
•
Solenoid valve Y1 is not opening
a) Solenoid coil defective
b) Solenoid valve defective
•
Short circuit of the B3 - sensor wiring or
cooling sensor B3 defective
•
Appliance is set to dummy version
•
Door contact switch defective
Twist lever catch (catch screw) too far from
the Reed contact
•
Test door contact switch in service
programme r23; if necessary, make
appliance level (above all with floor models)
•
Motor contactor K5/K50/K55/K56/K57 does
not pull in
a) Contact problem on the terminals
b) Motor contactor defective
•
Fan malfunction (excessive temperature) E
03
•
Test motor contactors (K5, K50, K55, K56,
K57) for sticking contacts
5_00d_Fehlersuchliste_h_En.doc
Cold
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