Instruction manual
Crathco Powdered Beverage Dispensers Page 12
TROUBLESHOOTING GUIDE
Only a qualified service technician should perform Electrical and mechanical adjustments or repairs. Always dis-
connect power before attempting any maintenance procedures.
If WTR FAIL light is flashing:
Ensure water supply to machine is turned “on”.
Reset machine power “off” then “on”.
If THERM FAIL light is flashing:
Reset machine power “Off” then “On”. If green ready light does not turn
off after 10 seconds then:
Check thermistor connections.
If connected properly, replace faulty thermistor.
(Mineral build-up may be the cause.)
WTR HEATER light will flash on and off when the water tank is being heated:
Note: When green “ready” light on front of machine is “Off” WATER HEATER light
should flash. If light works properly and machine is not heating, replace faulty heater.
(Mineral build-up may be the cause.)
If POWER OK light is off:
Make sure power switch is on and machine is plugged in.
If switch is on, and light is off, call factory for assistance.
FRONT VIEW OF CONTROL BOARD (BEHIND FRONT ACCESS PLATE)
If you still need help, call our service department at (800) 568-5715 Ext. 3 (Monday through Friday, 8 am - 6 pm EST) or an
authorized service center in your area. Please have the model and serial numbers ready so that accurate information may
be given.
Prior authorization must be obtained from Grindmaster Crathco Systems, Inc. Technical Services Department for all warran-