Daikin Enfinity Installation And Maintenance Manual

Daikin Enfinity Installation And Maintenance Manual Manual pdf 47 page image

www.DaikinApplied.com 47 LARGE VERTICAL WSHP IM 1059-12Red Flash Code 6 Missing phase Missing phase; Lockout after10 consecutive alertsAfter 5 minutes and missingphase condition is not present1) Check incoming power2) Check fuses/breakers3) Check contactorRed Flash Code 7 Reverse phase Reverse phase; Lockout after1 alertInterrupt power to T2-T1 orperform Modbus reset com-mand1) Check incoming phasesequence2) Check contactor3) Check module phasingwires A-B-CRed Flash Code 8 Future Use N/A N/A N/ARed Flash Code 9 Module Low Voltage Low voltage on T2-T1terminals*After 5 minutes and thevoltage is back in the normalrange1) Verify correct module p/n2) Check VA rating of trans-former3) Check for blown fuse intransformer secondaryNotes: The flash code number corresponds to the number of LED flashes, followed by a pause, and then the flash code is repeated. A lockoutcondition produces a red flash, followed by a pause, a solid red, a second pause, and then repeated.* This alert does not result in a LockoutTroubleshooting water source heat pump unitsTable 39: Troubleshooting refrigeration circuitSymptom HeadPressureSuctionPressureCompressorAmp Draw Super Heat Subcooling Air TempDifferentialWater (loops)Temp DifferentialSafetyLock OutChargeUndercharge System (Possible Leak) Low Low Low High Low Low Low Low PressureOvercharge System High High High Normal High Normal Normal High PressureLowLow Air Flow Heating High High High High Low High Low High PressureNormalLow Air Flow Cooling Low Low Low Low High High Low Low TempNormalLow Water Flow Heating Low Low Low Low High Low High Low TempNormal NormalLow Water Flow Cooling High High High High Low Low High High PressureHigh Air Flow Heating Low Low Low Low High Low Low Low TempHigh Air Flow Cooling Low High Normal High Low Low Normal High PressureHigh Water Flow Heating Normal Low Normal High Normal Normal Low High PressureHigh Water Flow Cooling Low Low Low Low High Normal Low Low TempTXV Restricted High Low Normal High High Low LowLowtroubleshootingCoreSense communications LED flash code information (continued)