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9760465
ERR
Description
Possible cause
Measures / remedial action
205
Boiler temperature not reached
after max. heat time (P310)
• Boiler heating defective/melting
beads, heating element
• Temperature sensor defective, in-
correct installation position
• Boiler protection defective, output
switch triggered
• No signal from I/O circuit board
• Not possible to continue
working
• Call a service technician!
206
Wash time increase
• Boiler not ready for final rinse on
time (temperature or level not
reached)
• Boiler heating defective (melting
beads)
• Temperature sensor defective
• Boiler protection defective, output
switch triggered
• No signal from I/O circuit board
• Acknowledge message, con-
tinued work possible
• Let programme run without
intervention by the operator
• If it occurs frequently, call a
service technician!
210
Boiler temperature sensor short-
circuit
• Sensor defective
• Sensor position not correct
• Plug contact not connected
properly
• Not possible to continue
working
• Call a service technician!
211
Boiler temperature sensor inter-
ruption
212
“Actual” boiler temperature too
high (>95°C)
• Contactor sticking
• Incorrect sensor/defective sensor
• Not possible to continue
working
• Call a service technician!
301
Number of circulatory pumping
cycles for tank filling exceeded
Tank level analysis disrupted
• Feeding water pressure too low
• Inlet filter soiled
• Rinse nozzles dirty
• Air trap dirty
• Condensate in level pipe
• Feed hose kinked/discon-
nected/leaks
• Check water supply
• Check feed hose
• Clean inlet filter
• Clean rinse nozzles
• Call a service technician!
302
While drain pumping during the
wash programme, tank level 1 is
not fallen below on time (with in-
tegrated drain pump)
• Drain pump output too low
• Drain pump dirty/defective
• Impeller loose
• Drain pump plug connection open
• Start capacitor defective
• Tank level analysis disrupted
• Aquastop does not close correctly
• No signal from I/O circuit board
• Not possible to continue
working
• Call a service technician!
303
While drain pumping during the
wash programme, tank level 3 is
not fallen below on time (with in-
tegrated drain pump)
304
Tank temperature not reached
after max. heat time (P314)
• Tank heating defective/melting
beads, heating element
• Temperature sensor defective, in-
correct installation position
• Tank protection defective, output
switch triggered
• Not possible to continue
working
• Call a service technician!
Содержание UPster H 500 M2
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