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Basic Service Guide
SYMPTON
1. Machine will not operate
2. Tank will not hold water
3. Tank fill beyond overflow
4. Water leaks around door
5. Weak or ineffective spray
6. Weak or ineffective final rinse spray
7. Water hammer
8. Machine vibrates or is noisy
9. Final rinse will not shut off
10. Tank not filling/tank heat coming
on with no water in tank
11. Tank temperature too low/high
Ensign_40-2_TM2009
®
PART 3
BASIC SERVICE GUIDE
POSSIBLE CAUSE
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. Drain overflow not seated or installed
B. Pump petcock opened
A. Obstruction in overflow tube or drain line
B. Float dirty or bad
A. Doors not seating
B. Clogged spray pipe
C. Missing end caps on spray arms
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. Lime deposits in spray nozzles
B. Low water pressure
C. Clogged line strainer
D. Closed water supply valve
E. Water valve/diaphragm
A. Excessive water line pressure
A. Pump rotation reversed
B. Broken impeller
A. Float dirty or bad
B. Solenoid valve still powered-up
C. Final rinse solenoid valve clogged
D. Diaphragm worn
A. Level float dirty
B. Level control system not working
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
14
MAINTENANCE & REPAIR PROCEDURES
A. Check power supply
B. Replace fuse; reset breaker
C. Reset overload
D. Replace
E. Switch to automatic
A. Reseat or install drain overflow
B. Close pump petcock
A. Remove obstruction
B. Clean and/or replace
A. Reseat doors
B. Clean spray pipe with brush provided
C. Install end caps
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
A. Clean or replace nozzles
B. Adjust to 20PSI
C. Remove line strainer and clean
D. Open ball valve
E. Replace diaphragm
A. Install water hammer valve
A. Arrow on pump housing indicates direction,
correct electrically
B. Inspect or replace impeller
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
A. Clean level float
B. Troubleshoot level control circuit
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
www.insingermachine.com
SOLUTION
800-344-4802
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