REMEDY
A. RECALIBRATE FROM COLD START.
B. RESISTANCE SHOULD BE 1 MEG Ω @ 77˚F 20%.
C. MEASURE VOLTAGE FROMCOMMON TERMINALOF POWER
SWITCH NO.2 TO COMMON TERMINAL OF FUNCTION SWITCH
IF 120 VOLTS, BOARD IS OPEN. IF 0 VAC, BOARD IS GOOD.
D. POSSIBILITY OF SHORT IN HOT SIDE OF LINE. TRACE OUT HOT
SIDE OF LINE FROM POWER CORD TO SWITCHES FOR A SHORT.
CHECK CENTER ELEMENT FIRST.
A. CHECK DOOR TO MAKE SURE IT IS IN THE LOCKED POSITION
AND NOT LEAKING.
B. CHECK SWITCH POSITION AND READJUST IF NECESSARY.
C. USE LEVEL AND ADJUST FEET IF NECESSARY.
D. WHEN PROPERLY FILLED, WATER SHOULD
COVER FILL PLATE.
E. TURN CLOCKWISE TO CALL FOR MORE HEAT.
F. CHECK RESISTANCE OF ELEMENT, IT SHOULD BE:
• ~ 10Ω FOR OCM
• ~ 8Ω FOR OCR OR OCR
+
G.RECALIBRATE FROM COLD START,
OR REPLACE AND CALIBRATE. (PCT042).
H.CHECK RESISTANCE. SHOULD BE 1 MEG Ω @ 77˚F 20%.
I. CHECK RESISTANCE 20K Ω 10%.
J. MEASURE VOLTAGE FROM TOP TERMINAL
OF NO. 1 POWER SWITCH TO COMMON TERMINAL
OF FUNCTION SWITCH. (IF 120 VAC BOARD IS
PROBABLY OPEN; IF 0 VAC, BOARD IS PROBABLY GOOD). THIS
IS PROVIDED THERE IS CONTINUITY THROUGH FUNCTION
SWITCH, OT SWITCH AND HEATING ELEMENT.
K. CHECK TEFLON SEATS FOR SCORING OR TRASH
LODGED AROUND SEATS. IF SCORED, REPLACE.
IF TRASH OR DEBRIS, CLEAN AND RE-ASSEMBLE.
L. CHECK FOR ACTIVATION OF SWITCH BY MAIN VALVE CAM.
ADJUST POSITION OF SWITCH ARM SO IT IS DEPRESSED
AND SWITCH IS CLOSED IN THE STERILIZER MODE.
M.VISUALLY CHECK FOR ROCKER ARM DEPRESSING PUSH ROD
IN STERILIZE MODE. CHECK FOR CLEARANCE AND ADJUST
(FLATTEN) CAM SHAFT IF NECESSARY.
A. REPLACE BELLOWS, IF NECESSARY (PCB001).
B. REPLACE TEMPERATURE GAUGE,
IF NECESSARY (PCG050).
C.REPLACE PRESSURE GAUGE, IF NECESSARY (PCG040).
D. CLEAN AIR VALVE HOUSING AND/OR REPLACE.
A.REPLACE TEMPERATURE GAUGE, IF NECESSARY.
B.REPLACE PRESSURE GAUGE, IF NECESSARY.
A. CHECK LINE VOLTAGE.
B. REPLACE BULB (PCL027).
A. REPLACE TIMER, IF NECESSARY (PCT049).
B. LOOSEN NUT ON BACKSIDE OF BELL AND RECENTER.
C.LOOSEN NUT ON TIMER SHAFT, ROTATE
TIMER UNTIL TOP MARK IS AT 12:00 POSITION.
ANALYZE
A. OVERTEMP SWITCH
B. THERMISTOR ASSEMBLY
C. SOLID STATE CONTROLLER
D. CENTER HEATING ELEMENT
A. DOOR
B. DOOR SWITCH (OCR+ ONLY)
C. UNIT LEVEL
D. AMOUNT OF WATER ADMITTED
DURING FILL CYCLE
E. POTENTIOMETER ON
CONTROLLER
F. CENTER HEATING ELEMENT
G.OVERTEMP SWITCH
H. THERMISTOR
I. FRONT POTENTIOMETER
J. SOLID STATE CONTROLLER
K. MAIN VALVE (FILL/VENT VALVE)
L. FUNCTION SWITCH
M.ROCKER ARM
A. BELLOWS
B. TEMPERATURE GAUGE
C. PRESSURE GAUGE
D. AIR VALVE HOUSING
A. TEMPERATURE GAUGE
B. PRESSURE GAUGE
A. LINE VOLTAGE
B. BULB
A. TIMER
B. TIMER BELL OFF-CENTER
C. TIMER POSITION
SYMPTOM
NO CONTROL OF
PRESSURE/TEMPERATURE
WILL NOT BUILD UP TO
STERILIZING PRESSURE/
TEMPERATURE
THERMOMETER READS
MORE THAN 4˚F BELOW
REQUIRED TEMPERATURE
AT GIVEN PRESSURE
THERMOMETER READS
MORE THAN 4˚F ABOVE
REQUIRED TEMPERATURE
AT GIVEN PRESSURE
PILOT LIGHT BULBS SLOW
TO LIGHT WHEN AUTOCLAVE
IS TURNED ON
TIMER BELL WILL NOT RING
AT END OF TIMING CYCLE
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YOUR GUIDE TO MAINTAINING
THE PELTON & CRANE OCM, OCR & OCR
+
STERILIZERS
Replacement Parts Industries, Inc. is pleased to present this valuable work tool that can help save you and your
customers time and money. Take a look, you will find a Trouble Shooting Guide, schematics, exploded views and a
complete listing of all RPI parts that fit the Pelton & Crane OCM, OCR and OCR+ sterilizers. It’s all here, in one easyto-use tool. Keep it close by– in your RPI catalog or at your workbench.
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+
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TROUBLE SHOOTING GUIDE
TROUBLE SHOOTING GUIDE
CALL (800) 221-9723 or (818) 882-8611 • FAX (818) 882-7028 • EMAIL order@rpiparts.com • WEBSITE www.rpiparts.com