Validator Alarm Codes

Troubleshooting Guides & Schematics For The Pelton Crane Validator 8 & 10 Series

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Your Guide To Maintaining & Repairing The Pelton Crane Validator 8 & 10 Sterilizers

Validator Alarms


When there is an Operating Alarm, the sterilizer will "beep" for one minute if not corrected by the user. The type of alarm will flash in the"C/Min" window. The alram Code is displayed until the user presses the "CLEAR/START" button. The door alarm is extinguished once the door is properly closed. See the table below for problems and corrective actions when an alarm is encountered.

Alarm Display Alarm Description Problem Corrective Action
DOOR The door alarm indicates that the door switch is not activated and either the door is open or is not closed properly. The door must be properly closed to initiate a sterilization cycle Door is Not Completely Closed


Improper Alignment of Door Switch

Defective Switch, Faulty Wire Or Connector		 Check That The Door Is Properly Closed


Realign Door Switch To Make Better Contact With Door Latch

When Door Is Properly Closed, Check Door Circuit For Continuity*. The Door Switch Cable Plugs Into The Front Portion Of The Power Board. Refer To Panel 7.
SENS A SENS (Sensor) Alarm Informs The User That There Is A Problem With The Chamber Sensor or Sensor Cicuitry Steam Sensor has a Bad/Poor Connection or Is Not Plugged Into Pressure/Temperature Board

Faulty Steam Sensor 		Check Connector and Wiring Where Unit Plugs Into Temperature/Pressure Board. Refer To Panel 7



Check Steam Sensor For Correct Sensor Readings. Refer To Panel 7.
FAIL When FAIL Is Displayed on the Front Panel, This Indicates That There Was Not Enough Time Available To Complete The Cycle. If the Unit Could Not Build Or Maintain Pressure , The FAIL Alarm Would Be Displayed Not Enough Water Inside Chamber

Valve(s), Fitting(s) Or Tubing Has Leaks


Door Gasket Leak


Overloaded Chamber Causing Unit To Take Too Much Time To Reach Set Temperature/Pressure


Faulty Bellows And/Or Valve Seat





Sterilizer Countdown Interrupted For More Than 3 Minutes Due To Steam Leak (Pressure Less Than 206kPA)


Improper Leveling Of Unit
Missing Or Damaged Leveling Feet

Heater Has No Power Or Partial Power. Overheat Thermostat Defective


Triac Defective


Heater Defective
Fill Reservoir With Distilled Water. Replace Dirty Or Clogged Fill Filter (Part # PCF009)

Check All Valves, Tubing And Fittings For Leak. Refer To Panel 5 (Water Reservoir Leak Certification) And Panel 8

Replace Door Gasket (Part # PCG066-10") If Cracked Or Not Properly Sealing (Shrunken)

Check That There Is Sufficient Space For Steam Circulation. Remove Excess Packs Or Instruments. Do Not Overload Instrument Trays



Bellows (Part # PCB001)Should Be Compressed When Sterilizer Is Cold And Expanded Straight When Hot. Valve Seat (Part # PCS 124) Should Be Clean And Free Of Nicks & Scrapes. Replace If Necessary



Check All Valves, Tubing, Fittings & Door Gasket For Steam Escaping. Repair Or Replace As Necessary. Refer To Panel 5 (Water Reservoir Leak Indentification) And Panel 8


Adjust Front Leveling Feet Gap -3/4" - 7/8"



Check That Overheat Thermostat Is Closed (Part # PCT 097) Replace If Necessary. Refer To Panel7



Check Resistance Of Triac (Part # PCA 084). Replace If Necessary. Refer To Panel 7

Check Resistance Of Heater (Part # PCH095 or PCH096). Replace If Necessary, Refer To Panel 7
PRES A PRES (Pressure) Alarm Appears If The Pressure Displayed Reaches 225 kPA. This Usually Happens On The First Cyle When The Steam Sensor Body Is Cold. This Is The Result Of The Steam Temperature Lagging Behind The Pressure In The Chamber Of The Sterilizer. Pressure To High In Chamber. Verify By Running Another Cycle. If Alarm Repeats, Check For Faulty Pressure/Temperature Board



Faulty Steam Sensor





Air Vent Bellows Defective Preventing Steam From Blowing By Steam Sensor Resulting In An Incorrect Temperature Reading

Heater Always Has Power





No Increase In Displayed Temperature Through Sterilization Cycle.










OEM Temperature/Pressure Module Out Of Calbration		 If RPI Pressure/Temperature Board Is Installed. Replace Using Part # PCB098
If OEM Pressure/ Temperature Board Is Installed, Replace Using Pressure/Temperature Conversion Kit (Part # PCK149)



If RPI Steam Sensor Is Installed. Replace Using Part # PCS 100
If OEM Steam Sensor Is Installed Replace Using Pressure/Temperature Kit (Part # PCK149)


Bellows Should Be Compressed. Not Extended When Sterilizer Is Cold. Replace Bellows If Necessary



Check That Heater LED Shuts Off As Sterilizer Reaches Set Temperature. Check Resistance Of Triac (Refer To Panel 7. If Resistance of Triac Is Correct, Replace The Sterilizer Supply Board.


Verify That Steam Sensor Wires Are Properly Connected And Connection Is Plugged In Properly For Correct Sensor Readings. Refer To Panel 7 For Both RPI & OEM Sensors. If Steam Sensor Is Defective And RPI Pressure/Temperature Conversion Kit Is Installed Replace Steam Sensor Using Part # PCS100. If Steam Sensor Is Good Replace Pressure/Temperature Board (part # PCB098).

If Oem Pressure/Temperature Board And Sensor Is Installed, Replace Using Pressure/Temperature Conversion Kit (part # PCK149)

Replace Using Pressure/Temperature Conversion Kit (part # PCK149)
H2O An H2O Alaram Displays When The Front Bottom Surface Of The Sterlizer Chamber Becomes Too Hot. (Note: Most Likely The Chamber Has Run Dry Or There Is An Insufficient Amount Of Water For Sterilization). Not Enough Water Inside Chamber

Door Gasket Leak



Faulty Bellows And/Or Valve Seat



Fitting, Tubing, Valve Block Or Valves Have Leaks


Chamber Fills Properly, But Is Dry When Door Is Opened After Alarm



Chamber Does Not Fill With Water During Fill Cycle


Defective Or Incorrectly Installed Surface Sensor
 Fill Reservoir With Distilled Water. Replace Dirty Or Clogged Fill Filter (Part # PCF 009)

Replace Door Gasket (Part # PCG065 - 8" or PCG066-10" If Cracked Or Not Properly Sealing (Shrunken)

Bellows Should Be Compressed When Sterilizer Is Cold And Expanded Straight When Hot. Valve Seat (PCS124) Should Be Clean And Free Of Nicks & Scrapes. Replace If Necessary

Check All Fittings, Tubing And Valve Block For Leaks - Refer To Panel 5 (Water Reservoir Leak Indentification) And Panel 8

Fill Valve Not Closing Properly. Water Is Pushed Back Into Reservoir When Pressure Starts To Increase. Refer To Panel 5 (Water Reservoir Leak Identification) Clean And/Or Replace Fill Valve Kit. Refer To Panel 8. (Part # PCK110)

Fill Valve Clogged Or Staying In Closed Position. Clean, Rebuild And/Or Replace Fill Solenoid Valve Refer to Panel 8 (Part # PCK110)

Verify Surface Sensor Reading (part # PCS099)- Refer To Panel 7. Be Sure Sensor Is Mounted Perpendicular To Chamber - See Panel 4
*Continuity Definition: An Electrical Test For Determining Whether An Electrical Connection Is Broken.

To test, (with the unit unplugged) set your volt/ohm meter on ohms Ω.

Place a lead on each of the contact points. If the needle on an analog meter doesn't move (stays to the left), component is bad and replacment is required. If it approaches zero, component is good. On a digital meter, if the read out is "1" component is bad.

If approaching zero, component is good.

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