TROUBLE SHOOTING
EXIT MANUAL
GUIDE
Getinge Sterilizers
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EXIT Manual
EXIT Manual
Getinge/Castle, Inc.
1100 Towbin Avenue
Lakewood, NJ 08701
732 370-8800
Door System Trouble Shooting
Automatic Door Sterilizer
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
EXIT MANUAL
Door will not close. A. No air pressure or pres-
sure to low.
B. Door safety activated.
C. Defective pneumatic
pilot operators.
D. Broken air line.
Door closes slowly. A. Air pressure too low.
B. Air flow to door to low.
C. Door gasket not
retracted.
A. Check air supply and
verify correct pressure setting.
B. Check for obstruction to
door .
C. Replace solenoid.
D. Inspect and replace air
line.
A. Re-adjust air pressure to
correct setting.
B. Make adjustment to
flow control valve or to
flow control orifice (as
equipped on unit).
NOTE: To be adjusted only
by qualified maintenance
personnel.
C. Remove gasket, lubricate or replace if necessary.
Manual Door Sterilizer
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Manual door will not close or is
difficult to close.
REV C 1
A. Cable is worn or broken.
B. Door guides.
C. Door gasket not
retracted.
D. Spring tension
A. Replace cable.
B. Lubricate (grease) or
readjust guides and eccentrics.
C. Remove gasket, lubricate or replace if necessary.
D. Adjust spring tension
NOTE: To be adjusted only
by qualified maintenance
personnel.
System Trouble Shooting
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
EXIT MANUAL
Jacket will not heat up whe n power
is turned on.
Cycle does not begin when door is
closed and cycle start button is
pressed.
Door not sealed. A. Door gasket.
A. No steam.
B. Steam to jacket valve
not operating.
C. Trap for jacket not operating.
A. Door limit switch not
closing.
B. Door limit switch defective.
C. Pneumatic door limit
switch defective.
D. Jacket not heating to
3oC below setpoint.
E. Check input/output connector
B. Door seal supply pressure (steam or air).
A. Check steam supply.
B. Check pneumatic pilot
solenoid and valve, replace
as needed.
C. Clean or replace trap.
A. Check that door in completely closed.
B. Replace switch.
C. Replace Switch.
D. Refer to “Jacket will not
heat up” problem above.
E. Check for secure fit on
pins and connectors.
A. Inspect gasket, replace
if necessary.
B. Check supply and regulator setting if equipped.
C. Door seal pressure
switch.
D. Steam to door seal valve
not operating.
Unit not entering steam into chamber.
REV C 2
A. Steam supply.
B. Steam strainer.
C. Steam-to-chamber
valve.
C. Replace Switch.
D. Check pneumatic pilot
solenoid and replace if necessary.
A. Check steam supply to
chamber and regulator setting if equipped.
B. Turn off steam supply
and check supply strainer.
Clean or replace screen as
necessary.
C. Check pneumatic pilot
solenoid and valve, replace
if necessary.
EXIT MANUAL
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Unit not reaching sufficient vacuum level (non-liquids cycle).
A. Water supply.
B. Worn or defective gasket.
C. Power supply.
D. Vacuum pump.
E. Vacuum Leak.
F. Load.
G. Drain line check valve.
H. Defective or worn door
gasket
I. Needle valves.
A. Check water supply is in
accordance with arrangement drawing. (Supply
pressure and temperature
effect performance).
B. Inspect gasket, replace if
necessary .
C. Check all power to the
unit.
D. Pump tripped, reset
heater.
E. Locate leak and repair.
F. Load placed over drain.
Leave drain clear.
G. Clean and replace valve
if necessary.
H. Check for faulty door
gasket, replace if necessary.
I. Check settings on needle
valves (air to v ac pump and
water to vac pump).
Chamber temperature not reaching programmed exposure temperature.
A. Steam pressure.
B. Chamber strainer.
C. Slow exhaust clogged.
D. Load.
A. No steam or low steam
pressure to unit. Check that
steam supply is in accordance with arrangement
drawing.
B. Check both strainer in
chamber and drain strainer.
Clean or replace screen as
necessary.
C. Clean slow exhaust needle valve or orifice, check
setting.
D. Load is placed over
drain in the chamber. Lea ve
drain clear.
REV C 3
EXIT MANUAL
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Unit attains exposure temperature
but then drops 2oC below setpoint
A. Defective steam to
chamber valve.
for 2 minutes.
B. Slow exhaust clogged.
C. Steam quality.
D. Steam pressure.
E. Slow exhaust valve
inoperative.
F. High condensate in
drain.
Unit runs over temperature. A. Defective or worn door
gasket.
B. Defective steam to
chamber valve.
C. Calibration
D. Overdrive parameter.
A. Replace valve or pneumatic pilot solenoid as necessary.
B. Clean slow exhaust needle valve or orifice.
C. Check for “wet” steam
being supplied to sterilizer.
D. T emporary loss of steam
during cycle.
E. Replace valve or pneumatic pilot solenoid as necessary.
F. Check for high water or
condensate around chamber drain probe.
A. Replace gasket.
B. Replace valve or pneumatic pilot solenoid as necessary.
C. Re-calibrate all temperature probes.
D. Check setting of any
adjustable overdrive
parameters.
REV C 4
EXIT MANUAL
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Chamber exhausts slowly or not at
all.
A. Clogged chamber or
drain strainer.
B. Inoperative fast exhaust
valve.
C. Water pressure.
D. Water strainer clogged.
E. Load placed on drain.
F. Check Hi-Voltage power.
G. Slow exhaust clogged.
A. Check strainer in chamber and drain. Clean and
replace screen as necessary.
B. Check pneumatic pilot
solenoid and valve, replace
as necessary.
C. Check that water pressure is within the requirements specified on the
arrangement drawing.
D. Clean strainer on
incoming water line.
Replace screen as necessary.
E. Re-adjust load.
F. Check power, reset
heater on starter for vacuum pump.
G. Clean slow exhaust
needle valve or orifice.
Dry time will not count. A. Check “Chamber
exhausts slowly” problem
above.
B. Vacuum leak.
Dry time starts counting, but then
stops.
Air not being admitted into chamber after dry time.
A. Vacuum leak
B. Load.
A. Filter assembly clogged.
B. Check valve clogged.
C. Defective air admit
valve.
A. Check “Chamber
exhausts slowly” actions
above.
B. Locate leak and repair.
A. Locate leak and repair.
B. Load incorrectly placed
in chamber, i.e. containers
upright in chamber.
A. Replace filter.
B. Clean or replace check
valve.
C. Replace valve or pneumatic pilot solenoid as necessary.
REV C 5
EXIT MANUAL
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Doors will not open at Cycle End. A. Worn or defective door
gasket.
B. Defective door seal
valve.
C. Check “Chamber
exhausts slowly” above
D. Check valve on steam
trap for door seal.
Temperature display is false or displays 999.9.
A. Faulty temperature
device (RTD).
B. Cable for temperature
device is loose.
Pressure is high or pressure transducer is faulty.
A. Check “Unit runs over
temperature” problem
above.
B. Faulty pressure transducer.
C. Calibration
D. Loose cable for pressure
transducer (PT).
A. Relubricate or replace
door gasket.
B. Check valve and pneumatic pilot solenoid,
replace if necessary.
C. Check “Chamber
exhausts slowly” actions
above.
D. Replace check valve.
A. Replace device.
B. Re-insert cable for temperature sensor.
A. Check “Unit runs over
temperature” actions
above.
B. Replace transducer.
C. Re-calibrate the pressure transducer.
D. Reinsert cable, check
connection.
Steam vapor being admitted while
door is open.
Jacket constantly over temperature.
Water in chamber after unit is
turned off for an extended period
of time. (ie. overnight)
Water on chamber floor at cycle
end.
A. Faulty steam to chamber
valve.
A. Defective steam to
jacket valve.
B. Setpoint
A. Defective steam to
chamber valve.
A. Chamber leveling.
B. Check “Chamber
exhausts slowly” problem
above.
C. Jacket heating.
A. Replace valve.
A. Replace valve.
B. Check setpoint value in
the program parameters.
A. Replace valve.
A. Check that chamber is
lev el and make adjustments
accordingly .
B. See “Chamber exhausts
slowly” actions above.
C. Check jacket heating
problem above
REV C 6
EXIT MANUAL
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Steam coming from the door during cycle.
Excessive steam from drain in service area.
Goods are wet after textile or utensil cycle.
A. Worn or defective door
gasket.
A. Cooling water valve
faulty.
B. Safety relief valve.
C. Water supply strainer.
D. Drain quench.
A. Dry time too short for
load.
B. Water line clogged.
C. Vacuum level.
D. Steam quality.
A. Replace door gasket.
A. Check valve seat and
pneumatic pilot solenoid,
replace as necessary.
B. Check safety relief v alve
and replace if necessary.
C. Clean or replace screen
as necessary.
D. Check drain quench
valve setting, verify it is
working properly.
A. Increase dry time.
B. Clean strainer screen or
replace as necessary.
C. Check vacuum pump
performance.
D. Check for “wet” steam.
Valves not operating. A. Air supply.
B. Defective pneumatic
pilot solenoid.
A. Check that air pressure
is within the requirements
specified on the arrangement drawing.
B. Check pneumatic pilot
solenoid, replace as necessary.
REV C 7
Electrical System Trouble Shooting
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
EXIT MANUAL
Unit does not power on. A. No electrical power.
B. Tripped circuit breaker.
C. Defective power switch.
Start light not illuminated. A. No steam.
B. Doors not closed or
sealed.
C. Active Alarms
Power failure for more than 10
seconds during cycle.
Printer not operating. A. No electrical power to
Printer does not operate, red light
on printer illuminated or flashing.
A. No electrical power.
B. Tripped circuit breaker.
printer.
B. Loose power cord.
A. No paper in unit.
B. Paper not threaded properly .
C. Paper feed is jammed.
A. Check electrical source.
B. Locate short and reset
circuit breaker.
C. Replace switch.
A. Check steam supply.
B. Check doors and door
seal.
C. Check control display
for active alarms, correct as
necessary .
A. Check electrical source.
B. Locate short and reset
circuit breaker.
A. Check electrical source.
B. Check power cord is
securely plugged in.
A. Replace paper.
B. Re-thread paper.
C. Remove paper, clean
printer feed.
REV C 8
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