11
Flashing LED Lights
Description
Operation LED Flashes Slowly
Fan coil in standby mode
Operation LED Is Non Active
Fan coil is in shutdown mode
Operation LED Is Active
Fan coil is in running mode
Timer LED Is Active
Fan coil is under timer control
Operation And Timer LED Flash Fast
Fan coil unit has no registered address upon receiving a power supply
Timer LED Flashes Fast
Communication error between indoor fan coil units and external con-
densing units
Operation LED Flashes Fast
Possible error with T1 (room sensor) T2 (middle evaporator temperature
sensor) T2b (evaporator outlet temperature sensor)
Alarm LED Flashes Fast
Water level alarm error
Defrost LED Flashes Fast
Mode conflict error
Alarm LED Flashes Slowly
Outdoor unit error
Defrost LED Flashes Slowly
EEPROM ERROR
NOTES:
LED FLASHING SLOWLY = 1 FLASH PER SECOND
LED FLASHING FAST = 2 FLASHES PER SECOND
Shown on Indoor Unit Receiver (LED Display)
Error Code Description
FE
No address
E0
Mode conflict
E1
Communication error between indoor and main outdoor unit
E2
T1 (Room temperature sensor) malfunction
E3
T2 (Middle of evaporator sensor) malfunction
E4
T2B (Outlet of evaporator sensor) malfunction
E5
T2A (Inlet of evaporator sensor) malfunction
E6
DC fan motor error
E7
EEPROM failure
Eb
EXV malfunction
EC
TA (discharge temperature sensor) malfunction
Ed
Outdoor unit Fault
EE
High Water Alarm
A0
Emergency stop
D8
Remote off
U4
MS self-inspection error
F8
MS error
Fault Code Display on Indoor Unit Receiver (Digital Display)
Error Code Description
F0
Communication/Address error between indoor units and wired controller
F1
Communication/Wiring error between indoor units and wired controller
E2
Controller temperature sensor error
Fault Code Display on Controller
