Controls
IM 930-6 •EnnityVerticalWaterSourceHeatPumps 14 www.DaikinApplied.com
Table 10: MicroTech III Controller Status LED's
Description Type* Yellow Green Red
EmergencyShutdown Mode OFF Flash OFF
LowVoltageBrownout Fault OFF Flash OFF
HighPressure(HP1) Fault OFF OFF Flash
LowPressure(LP1) Fault OFF OFF ON
LowSuctionTemp(LT1)SensorFail Fault Flash Flash ON
LowSuctionTemp(LT1) Fault Flash OFF OFF
RoomTempSensorFail(withRoomSensorControlOnly) Fault Flash Flash ON
CondensateOverow(Cooling&DehumidicationModesOnly) Fault ON OFF OFF
LowEnteringWaterTemp(HeatingCompressorInhibit;NoDisplaywithBoilerlessEH) Fault Flash OFF Flash
SerialEEPROMCorrupted Fault ON ON ON
ServiceTestModeEnabled Mode Flash Flash Flash
Unoccupied Mode Mode ON ON OFF
Occupied,Bypass,Standby,orTenantOverrideModes Mode OFF ON OFF
Note:* Mode / Faults are listed in order of priority.