If An Alarm Code Appears On The Monitor; Alarm Codes - Fuji Electric FRENIC-HVAC User Manual

9.3 If an Alarm Code Appears on the Monitor

9.3.1

Alarm Codes

Table 9.1 Abnormal States Detectable ("Heavy Alarm" and "Light Alarm" Objects)
Code
OC1, OC2, OC3 Instantaneous overcurrent
EF Earth fault
OV1, OV2, OV3 Overvoltage
LV Undervoltage
LiN Input phase loss
OPL Output phase loss
OH1 Heat sink overheat
OH2 External alarm
OH3 Inverter internal overheat
OH4 Motor protection (PTC thermistor)
FUS Fuse blown
PbF Charger circuit fault
OL1 Overload of motors 1
OLU Inverter overload
Er1 Memory error
Er2 Keypad communications error
Er3 CPU error
Er4 Option communications error
Er5 Option error
Er6 Operation protection
Er7 Tuning error
RS-485 communications error (COM port
Er8 1)
ErP RS-485 communications error (COM port
2)
ErF Data saving error during undervoltage
ErH Hardware error
CoF Power input disconnect detection
ECL Customizable logic error
ECF Enable circuit error
PID control 1, 2
PV1, PV2
feedback error detection
External PID control 1, 2, 3
PVA, PVb, PVC
feedback error detection
Pdr Drought protection
roC Control of maximum starts per hour
PoL End of curve protection
rLo Anti jam
FoL Filter clogging error
"Heavy
Name alarm"
objects
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
9-3

9.3 If an Alarm Code Appears on the Monitor

Retry "Light
registration alarm" Remarks
objects objects
√ --
FRN030AR1■-2U or above
-- --
FRN060AR1■-4U or above
√ --
√ --
-- --
-- --
√ --
√ √
√ √
√ --
FRN125AR1S-2U
-- --
FRN150AR1S-4U or above
FRN030AR1■-2U or above
-- --
FRN060AR1■-4U or above
√ √
√ --
-- --
-- --
-- --
-- √
-- √
-- --
-- --
-- √
-- --
-- --
-- √
-- --
-- --
-- √
-- √
-- √ Not supported by the
FRENIC-HVAC.
-- √
-- √
-- --
-- √
Ref.
page
9-5
9-5
9-6
9-6
9-7
9-8
9-8
9-9
9-9
9-9
9-10
9-10
9-11
9-11
9-12
9-12
9-13
9-13
9-13
9-13
9-14
9-15
9-16
9-16
9-16
9-17
9-17
9-17
9-18
9-18
9-19
9-19
9-20
9-20