Insinger GalleyMaster 135-LH-E Technical Manual page 23

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NOTE:
This section covers actions that can be
performed by qualified maintenance
personnel.
MAINTENANCE TROUBLESHOOTING GUIDE
SYMPTOM OF TROUBLE
8. Water hammer.
9. Machine vibrates
(See also water hammer, #8.)
10. Tank and/or booster will not
hold specified temperature.
11. Poor washing results.
12. Tank heat coming on with
no water in tank.
GalleyMaster DOC Revision 2006
PART 4 MAINTENANCE & REPAIR PROCEDURES
POSSIBLE CAUSE
a. Excessive line pressure.
a. Worn motor bearing.
b. Reversed pump rotation.
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. Scrap screens clogged.
b. Pump suction strainer clogged.
c. Spray arms clogged.
a. Low level float switch dirty or defec-
tive.
a. Install shock arresters.
a. Replace motor.
b. Correct electrically, proper pump direction
indicated by arrow on pump housing.
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.
a. Remove and clean screens.
b. Remove and clean suction strainer.
c. Remove and clean with brush provided.
a. Clean or replace level float.
b. Troubleshoot heater control circuitry using
wiring diagram provided in this manual.
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SOLUTION