XNX Universal Transmitter - Merkantile

XNX Universal TransmitterFaultNumber Description Contents Of Data Field Condition RecoveryF116F117F118F119F120F121F122Sensor Internal FailureECmV N/A N/AIR Excel/Optima IR Sensor Fault CodeSensor Loop FailureECmV N/A N/AIR Excel/Optima IR Sensor Fault CodeSensor Real Time Clock invalidECmV N/A N/AIR Excel IR Sensor Fault CodeCartridge FailedEC EC CartridgemV mV Personality BoardDiagnostic DataIR IR Personality BoardNo CartridgeEC No Sensor CommunicationmV No mV Board CommunicationDiagnostic DataIR No RS485 CommunicationWrong CartridgeEC EC Sensor CartridgemV mV Personality Board0IR N/ADSP ProblemECmV N/A N/AIR Excel/Optima IR Sensor Fault CodeOptical sensor connected has an internalsoftware faultOptical sensor connected is losing/has lost mAoutput signalsExcel sensor has an internal 'real time clock'issueInternal electrical failureNo communication from sensorGas parameters invalidOptical sensor connected is losing/has lostprocessing signalsRemove sensor and return to Honeywell forrepairCheck supply voltage is stable, check cableloop impedance, check terminal connections.Reset 'date and time' in Excel, re-cycle Excelpower and confirm 'date and time', if notretained remove and return to Honeywell forrepair.Check cartridge connections, check sensoroperation, fit replacement cartridge, replacepersonality board.Check sensor connections, check sensoroperation, fit replacement sensor, replacepersonalty board.Contact HA Service.Check sensor location for external interference(obstruction in IR path), remove and returnsensor to Honeywell for repair..Section 5 - Warnings/Faults 5-85.4 Fault Messages