Honeywell Apex - Fault Diagnosis and Troubleshooting

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MAN0604_Issue 09_02-2013 Apex
2110M8030
4. OPERATION
4.6 FAULT DIAGNOSIS
Apex system faults can be those displayed on the Transmitter Unit screen or be of a general type.
Thissectiondescribes:
• Error messages displayed on the Transmitter Unit LCD screen.
These are either fault or warning types. They can normally be corrected at the Transmitter
UnitorCertiedSensor.
• Errors that are not diagnosed by the system itself but need
some action.
ForexampletheCertiedSensorreadslowwhengasisapplied.Torectifythisfaultthe
control system span needs to be adjusted.
• Signal ranges and fault conditions on the 4-20mA output.
• How to clear latched alarms
4.6.1 Displayed Error Messages
TheerrormessagesontheLCDscreenaresimilartothefollowing:
F:No Cartridge
FAULT
Panels flash
alternately
until
fault cleared
The following table lists all the displayed Fault (F) and Warning (W) messages.
Message Cause/Remedy
W: Sensor Failed
F: Sensor Failed ACertiedSensorfaulthasdeveloped.
   ChecktheconnectionsbetweentransmitterandCertiedSensor.
   Re-calibratetheCertiedSensor.
   IffaultremainsreplacethecompleteCertiedSensorassembly.
F: No Cartridge TheCertiedSensorreportsthereisnocartridgetted.
   Checkthatthecartridgeisttedcorrectly.
   Ifnocartridgepresent,trequiredcartridge.
F: Wrong Cartridge ThewrongtypeofcartridgehasbeenttedintheCertiedSensor.
Replace the cartridge with correct type for the target gas.
F: Cartridge Failed The cartridge has failed.
Replace the cartridge.
W: Temperature Error  Thecartridgeisbeingoperatedattemperaturesoutsideitsspecied
F: Temperature Error temperature range.
Identify the cause of temperature problem.
   FitsuitableaccessoriesorrelocatetheCertiedSensorasappropriate.
   IffaultpersistsreplacetheCertiedSensor.