PART 3 MAINTENANCE & REPAIR PROCEDURES
®
www.insingermachine.com 800-344-4802
14
Basic Service Guide
BASIC SERVICE GUIDE
SYMPTON
POSSIBLE CAUSE
SOLUTION
1. Machine will not operate
A. No power
B. Blown fuse or tripped breaker
C. Motor overloads tripped
D. Door magnet broken or missing
E. Door switch on manual
A. Check power supply
B. Replace fuse; reset breaker
C. Reset overload
D. Replace
E. Switch to automatic
2. Tank will not hold water
A. Drain overflow not seated or installed
B. Pump petcock opened
A. Reseat or install drain overflow
B. Close pump petcock
3. Tank fill beyond overflow
A. Obstruction in overflow tube or drain line
B. Float dirty or bad
A. Remove obstruction
B. Clean and/or replace
4. Water leaks around door
A. Doors not seating
B. Clogged spray pipe
C. Missing end caps on spray arms
A. Reseat doors
B. Clean spray pipe with brush provided
C. Install end caps
5. Weak or ineffective spray
A. Clogged spray pipe
B. End cap missing on spray arms
C. Manifolds not installed properly
D. Pump rotation reversed
E. Suction strainer clogged
A. Clean spray pipe with brush provided
B. Install endcap
C. Ensure proper placement of upper and
lower pipes
D. Arrow on pump housing indicates direction,
correct strainer
E. Clean suction strainer
6. Weak or ineffective final rinse spray
A. Lime deposits in spray nozzles
B. Low water pressure
C. Clogged line strainer
D. Closed water supply valve
E. Water valve/diaphragm
A. Clean or replace nozzles
B. Adjust to 20PSI
C. Remove line strainer and clean
D. Open ball valve
E. Replace diaphragm
7. Water hammer
A. Excessive water line pressure
A. Install water hammer valve
8. Machine vibrates or is noisy
A. Pump rotation reversed
B. Broken impeller
A. Arrow on pump housing indicates direction,
correct electrically
B. Inspect or replace impeller
9. Final rinse will not shut off
A. Float dirty or bad
B. Solenoid valve still powered-up
C. Final rinse solenoid valve clogged
D. Diaphragm worn
A.
Clean and/or replace
B.
Check final rinse actuating circuit for proper
operation
C. Disassemble valve and clean internal parts
of scale or replace
D. Replace with solenoid valve repair kit
10. Tank not filling/tank heat coming
on with no water in tank
A. Level float dirty
B. Level control system not working
A. Clean level float
B. Troubleshoot level control circuit
11. Tank temperature too low/high
A. Thermostat not adjusted
B. Heat circuitry not working
C. Electric heat—power turned off
D. Electric heat—immersion heaters limed
E. Steam heat—steam turned off
F. Steam heat—not enough steam
G. Steam heat—condensate traps clogged
A. Adjust thermostat
B. Troubleshoot circuitry
C. Check circuit breakers
D. De-lime machine
E. Turn steam on
F. Adjust steam pressure per machine specs
G. Clean or replace condensate traps
Ensign_40-2_TM2009
