Wash Pump Problems - Meiko K-Tronic Service Manual

Wash pump problems

Wash pump sucking in air!
Cause
Power switch has tripped
Motor contactor does not operate
Motor contactor not activated
No relay output on the I/O circuit
board
Tank water level too low
Tank level regulation defective
Cover sieve blocked up
Excessive foam production
2_5_Wash pump problems.doc
Remedy
Establish the cause:
•
Check the phases
•
Check motor power consumption
•
Measure resistance of the windings
•
Check connections
Measure motor contactor, change if necessary
Check relay output for motor contactor in the I/O circuit
board
Check relay output for motor contactor in the I/O circuit
board
Clean tank cover sieve.
Check water levels.
Clean cover sieve
Do not use a foaming detergent for dishwashing by hand
for pre-cleaning close to the dishwasher.
Check tank temperature (too low?)
2.5
Update: 27.04.2006