Convotherm OEB Series User Manual

Service manual OEB/OES/OGB/OGS
5_00e Troubleshooting list_L 16/27 2013-01-30
OEB OES OGB OGS
Defect Possible cause or remedy
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5.2.8 Water drips out of the
front area of the appliance
floor in table-top models
 Seak between inner and outer housing is worn
or missing  Check seal groove for door seal
 Channel seal between appliance drip tray and
housing is missing
 Door seal worn
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5.2.9 Too dry or too wet in
programmes with steam
 Pressure balance valve in oven ceiling open
 check and adjust, if necessary, clean
 Pressure balance valve in oven ceiling
blocked  Clean with hand shower
 Solenoid valves are not closing properly
 Bypass sensor greased up / Bypass opening
blocked (not with OES 6.06)
 Demoisturisation activated
5.3 Steam generator
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5.3.1 Steam generator is still
not ready to operate after 5
mins.
 Check polarity of the B4 sensor connection
(green/white)
 Overfilling of the steam generator
 Heater contactors do not pull in
a) Contact problem on terminals
b) Heater contactor defective
 Immersion heater / heat exchanger in the
steam generator calcified
 Immersion heater defective
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5.3.2 Uncontrolled steam
supply in stop mode, and
moisture in the convection
programme
 Check polarity of the B4 sensor connection
(green/white)
 Steam generator or pre-heating sensor
calcified see 4.4 Decalcifying the
CONVOTHERM
 Pre-heating temperature set too high in c01
 Electronics’ temperature detection defective
( Replace control module CM)
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5.3.3 Steam generator is no
long switching off
 Check polarity of the B5 sensor connection
(green/white)
 Bypass pipe has come loose
 Bypass pipe T-piece and B5 blocked or
greased up
 Constant water supply in the condenser
 Electronics service programme c 05 on
permanent steaming
 Short circuit of the B5 sensor wiring
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5.3.4 No water supply in the
steam generator
 Water supply pipe closed
 Injection part in non-return flow device
contaminated

Convotherm OEB Series Specifications

General

Brand	Convotherm
Model	OEB Series
Category	Commercial Food Equipment
Language	English