Malmet WDS1 - Page 32

Bedpan / Urinal Bottle and Utensil / Bowl Washer Disinfector (WDS)
Operation, Maintenance and Installation Manual
Issue 16 Page 31 August 22
FAULT
CODE
STATE
DESCRIPTION
POSSIBLE CAUSES
282
Cold Wash Run
Door open
Door opened during wash cycle, faulty door
interlock switch J11 J10
283
Cold Wash Run
Pump run without solenoid
Check cycle times parameters, faulty solenoids
284
Cold Wash Run
Timeout before level reached
Low pump water flow, blocked spray nozzles,
faulty 4 -way solenoid, panel lockout switches
J8 open circuit. Faulty level probe. Door
interlock switch J11 J10
300
Hot Wash+Det Fill
Water level sensor fail
Dirty conductivity sensor probe, faulty
connections, faulty conductivity module
301
Hot Wash+Det Fill
Water fill timeout during detergent
Water level sensor failed or water supply low
flow, water fill solenoid failed, water supply off
302
Hot Wash+Det Fill
Detergent timeout
Empty detergent bottle, blocked suction
line/tubing, faulty flow sensor, faulty
connections, faulty or blocked detergent pump
304
Hot Wash+Det Fill
Water heating timeout
Failed heater element, heater circuit breaker
tripped, faulty temp probe. Element over temp
cutout tripped, panel lockout switches J8 open
circuit. Low water temperature, door interlock
switch J11 J10
305
Hot Wash+Det Fill
Water heating low level
Water leakage, faulty wash solenoid, faulty
level probe. Faulty connections, faulty
conductivity module
321
Hot Wash+Det Run
Low water level during wash
Faulty 4 -way solenoid, panel lockout switches
J8 open circuit. Faulty level probe. Incorrect
spray nozzles fitted
322
Hot Wash+Det Run
Door open
Door opened during wash cycle, faulty door
interlock switch J11 J10
323
Hot Wash+Det Run
Pump run without solenoid
Check cycle times parameters, faulty solenoids
324
Hot Wash+Det Run
Timeout before level reached
Low pump water flow, blocked spray nozzles,
faulty 4 -way solenoid, panel lockout switches
J8 open circuit. Faulty level probe. Door
interlock switch J11 J10
340
Hot Rinse Fill
Water level sensor fail
Dirty conductivity sensor probe, faulty
connections, faulty conductivity module
341
Hot Rinse Fill
Water fill timeout
Water level sensor failed or water supply low
flow, water fill solenoid failed, water supply off
344
Hot Rinse Fill
Water heating timeout
Failed heater element, heater circuit breaker
tripped, faulty temp probe. Element over temp
cutout tripped, panel lockout switches J8 open
circuit. Low water temperature, door interlock
switch J11 J10
345
Hot Rinse Fill
Water heating low level
Water leakage, faulty wash solenoid, faulty
level probe. Faulty connections, faulty
conductivity module
361
Hot Rinse Run
Low water level during wash
Faulty 4 -way solenoid, panel lockout switches
J8 open circuit. Faulty level probe. Incorrect
spray nozzles fitted
362
Hot Rinse Run
Door open
Door opened during wash cycle, faulty door
interlock switch J11 J10
363
Hot Rinse Run
Pump run without solenoid
Check cycle times parameters, faulty solenoids
364
Hot Rinse Run
Timeout before level reached
Low pump water flow, blocked spray nozzles,
faulty 4 -way solenoid, panel lockout switches
J8 open circuit. Faulty level probe, door
interlock switch J11 J10