GalleyMaster DOC Revision 2006
www.insingermachine.com 800-344-4802
SYMPTOM OF TROUBLE
POSSIBLE CAUSE
SOLUTION
8. Water hammer.
a. Excessive line pressure.
a. Install shock arresters.
9. Machine vibrates
(See also water hammer, #8.)
a. Worn motor bearing.
b. Reversed pump rotation.
a. Replace motor.
b. Correct electrically, proper pump direction
indicated by arrow on pump housing.
10. Tank and/or booster will not
hold specified temperature.
a. No power.
b. Thermostat not adjusted or defec-
tive.
c. Heat circuitry not working.
d. Thermometer inaccurate or defec-
tive.
For Electric Heat:
e. Power turned off.
f. Immersion heaters limed or defective.
g. Low level float switch stuck in down
position.
For Steam Heat
h. Steam turned off.
i. Low level float switch stuck in down
position.
j. Not enough steam.
k. Steam solenoid clogged.
l. Worn solenoid piston and seat.
m. Steam condensate trap clogged.
n. Clogged line strainer.
a. Check power supply.
b. Adjust or replace thermostat.
c. Troubleshoot heat circuitry using wiring dia-
gram provided in this manual.
d. Replace thermometer.
e. Turn power on.
f. De-lime or replace immersion heaters.
g. Clean or replace float switch.
h. Turn steam supply on.
i. Clean or replace float switch.
j. Adjust steam pressure per machine specs.
k. Turn off steam supply, disassemble valve
and clean internal parts.
l. Turn off steam supply, remove and replace
valve.
m. Turn off steam supply: disassemble steam
trap and clean, repair or replace.
n. Turn off steam supply and clean strainer.
11. Poor washing results.
a. Scrap screens clogged.
b. Pump suction strainer clogged.
c. Spray arms clogged.
a. Remove and clean screens.
b. Remove and clean suction strainer.
c. Remove and clean with brush provided.
12. Tank heat coming on with
no water in tank.
a. Low level float switch dirty or defec-
tive.
a. Clean or replace level float.
b. Troubleshoot heater control circuitry using
wiring diagram provided in this manual.
MAINTENANCE TROUBLESHOOTING GUIDE
þ
NOTE:
This section covers actions that can be
performed by qualified maintenance
personnel.
22
PART 4 MAINTENANCE & REPAIR PROCEDURES
