Daikin DPS Installation And Maintenance Manual

Also see for DPS: Installation and maintenance manual Installation and maintenance manual Installation manual Installation and maintenance manual

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Daikin DPS Installation And Maintenance Manual Manual pdf 122 page image

trouBleshootIngInverter Board Fault CodesMicroTech III communicates with the fan and compressorinverter boards via Modbus If the inverter boards detect anunsafe condition they issue the appropriate control commandsand an error code can be read at the MicroTech III display asfollows:• Go to Main menu – Alarm lists – Active alarms – Alarmdetails - INV/OF Flt Code Details• The error code is shown at “INVAlarmCode” and the errordescription is shown at “Code text” as shown in Figure23Possible Inverter Compressor fault codes are listed in Table 71below:Table 71: Rebel Inverter Compressor Fault CodesPossible outdoor fan fault codes are listed in Table 72 belowTable 72: Rebel Outdoor Fan Fault CodesDetailed description and diagnostic instructions are shown onthe following pagesFigure 23: Inverter Board Fault CodesFaultCode HMI Code Text Extended TextE5 Compressor Lock Compressor LockedL1 Current Sensor Alm Current Sensor AlarmL1 DC Cur Sensor Alm DC Current Sensor AlarmL1 EEPROM Setup Problem EEPROM Setup ProblemL1 IGBT Problem Insulated Gate Bipolar Transistor ProblemL1 JP Setup Problem LP Setup ProblemL1 Momntry Ovrcurrent Momentary Over CurrentL4 Fin Temp Rise Fin Temperature RiseL5 Momntry Ovrcur (DC) Momentary DC Over CurrentL8 Elec Therm (Cur1) Electrical Thermal (Current 1)L8 Elec Therm (Cur2) Electrical Thermal (Current 2)L8 Elec Therm (Step) Electrical Thermal (Out of Step)L8 Elec Therm (Surge) Electrical Thermal (Surge)L8 Time Lag Ovr Current Time Lag Over CurrentL9 Stall Prevent (Strt) Startup Prevention (Startup)P1 Pwr Sup Imbalance Power Supply ImbalanceP4 Fin Temp Sensor Alm Fin Temperature Sensor AlarmPJ Model Setup Problem Model Setup ProblemU2 Phase Pwr Loss Phase Power LossU2 PN Short Circuit Alm PN Electrical Short Circuit AlarmU2 Pwr Sup Insufficient Power Supply InsufficientFaultCode HMI Code Text Extended TextE7 IPM Prot Active IPM Protection ActiveE7 Momntry Ovrcurrent Momentary Over CurrentE7 Motor Lock Motor LockedH7 Motor Alarm Motor AlarmL1 EEPROM Problem EEPROM ProblemL1 EEPROM Setup Problem EEPROM Setup ProblemL1 JP Setup Problem JP Setup ProblemL4 Fin Temp Rise Fin Temperature RiseP4 Fin Temp Sensor Alm Fin Temperature Sensor AlarmPJ Model Setup Problem Model Setup ProblemU2 Pwr Sup Voltage Alm Power Supply Voltage AlarmFault Code DetailsACTIVE FAULT CODESINVAlarmCode=______Code TextOF1AlarmCode=_______Code TextOF2AlarmCode=_______Code TextPREVIOUS FAULT CODESPrvINVAlmCode=_______Code TextMM/DD/YYYY HH:MM:SSPrvOF1AlmCode=______Code TextMM/DD/YYYY HH:MM:SSPrvOF2AlmCode=______Code TextMM/DD/YYYY HH:MM:SSOM 1141-3 • MICROTECH UNIT CONTROLLER 122 wwwtrouBleshootIng