Meiko UPster H 500 M2 Original Operating Instructions page 40

ERR Description
Number of circulatory pumping
cycles for tank filling exceeded
301
Tank level analysis disrupted
While drain pumping during the
wash programme, tank level 1 is
302
not fallen below on time (with in-
tegrated drain pump)
While drain pumping during the
wash programme, tank level 3 is
303
not fallen below on time (with in-
tegrated drain pump)
Tank temperature not reached
304
after max. heat time (P314)
Number of boiler fills insufficient
305
for rinsing. Tank level 2 not
reached
Max. tank level exceeded Tank
306
level analysis disrupted.
307
Tank level sensor defective
310
Temperature sensor short-circuit
311
Temperature sensor interruption
Actual tank temperature too high
312
(>85°C)
40 / 56
Possible cause
•
Feeding water pressure too low
•
Inlet filter soiled
•
Rinse nozzles dirty
•
Air trap dirty
•
Condensate in level pipe
•
Feed hose kinked/discon-
nected/leaks
•
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
•
Tank heating defective/melting
beads, heating element
•
Temperature sensor defective, in-
correct installation position
•
Tank protection defective, output
switch triggered
•
Feeding water pressure too low
•
Inlet filter soiled
•
Rinse nozzles dirty
•
Air trap dirty
•
Condensate in level pipe
•
Feed hose kinked/discon-
nected/leaks
•
Level sensor defective
•
Plug contact not connected
properly
•
Air trap dirty
•
Condensate in level pipe
•
Level sensor defective
•
Plug contact not connected
properly
•
Connection plug loosened
•
Sensor or I/O circuit board defec-
tive
•
Sensor defective
•
Sensor position not correct
•
Plug contact not connected
properly
•
Contactor sticking
•
Incorrect sensor/defective sensor
Measures / remedial action
•
Check water supply
•
Check feed hose
•
Clean inlet filter
•
Clean rinse nozzles
•
Call a service technician!
•
Not possible to continue
working
•
Call a service technician!
•
Not possible to continue
working
•
Call a service technician!
•
Check water supply
•
Check feed hose
•
Clean inlet filter
•
Clean rinse nozzles
•
Call a service technician!
•
Empty dishwashing machine
and refill
•
Call a service technician!
•
Call a service technician!
•
Not possible to continue
working
•
Call a service technician!
•
Not possible to continue
working
•
Call a service technician!
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