Electrical Diagram
PKD24B PARTS MANUAL Rev. 11.09 Page 13
PROBLEM LIKELY CAUSE SOLUTION
Low heat during operation Low incoming water temperature
(below 140° F)
Turn up supply water heater
Insulate supply water pipe
Thermostat out of adjustment Adjust thermostat
(Optional) sustainer heater not
installed
Install (optional) sustainer
heater
P/N: 04109.10
Defective sustainer heater Replace heater
P/N: 04109.10
Low spray arm water flow Limed up spray arm nozzles De-lime spray arm nozzles
With power on, activating
start switch does not begin
cycle
Defective fill/start switch (cycle
light will not light either)
Replace fill/start switch
P/N: 03470.01
Defective timer assembly
(Cam 1)
Replace timer assembly
P/N: 00408.80
Start switch requires more
than 1-second activation to
Defective (Instant Start) ice cube
relay
Replace ice cube relay
P/N: 00631.00
Activating fill switch does
not fill machine
Defective fill/start switch Replace fill/start switch
P/N: 03470.01
Defective water solenoid valve Replace water solenoid valve
P/N: 03603.10
Fill water won’t shut off Defective water solenoid valve Replace water solenoid valve
P/N: 03603.10
Defective fill/start switch Replace fill/start switch
Defective timer assembly
(Cam 4)
Replace timer assembly*
P/N: 00408.80
Activating drain switch
does not drain machine
Drain hose is kinked Un-kink drain hose
Defective drain switch Replace drain switch
P/N: 03406.64
Defective drain valve motor
Replace drain valve motor
Detergent pump does not
run
Defective detergent pump motor Replace pump motor
P/N: 00416.00
Defective timer assembly
(Cam 2)
Replace timer assembly*
P/N: 00408.80
Sani pump does not run Defective sani pump motor Replace pump motor
Defective timer assembly
(Cam 5)
Replace timer assembly*
P/N: 00408.80
*The timer assembly motor (P/N: 00501.00) or micro switches (P/N: 00411.00) can be replaced
independently if that is the only component that has failed.