Eeprom Error; Error Code Description - Lennox VRF V22B Series User Manual

Flashing LED Lights
Operation LED Flashes Slowly
Operation LED Is Non Active
Operation LED Is Active
Timer LED Is Active
Operation And Timer LED Flash Fast
Timer LED Flashes Fast
Operation LED Flashes Fast
Alarm LED Flashes Fast
Defrost LED Flashes Fast
Alarm LED Flashes Slowly
Defrost LED Flashes Slowly
NOTES:
LED FLASHING SLOWLY = 1 FLASH PER SECOND
LED FLASHING FAST = 2 FLASHES PER SECOND

Error Code Description

FE
E0
E1
E2
E3
E4
E5
E6
E7
Eb
EC
Ed
EE
A0
D8
U4
F8
Error Code
F0
F1
E2
Shown on Indoor Unit Receiver (LED Display)
Description
Fan coil in standby mode
Fan coil is in shutdown mode
Fan coil is in running mode
Fan coil is under timer control
Fan coil unit has no registered address upon receiving a power supply
Communication error between indoor fan coil units and external con-
densing units
Possible error with T1 (room sensor) T2 (middle evaporator temperature
sensor) T2b (evaporator outlet temperature sensor)
Water level alarm error
Mode conflict error
Outdoor unit error

EEPROM ERROR

Fault Code Display on Indoor Unit Receiver (Digital Display)
No address
Mode conflict
Communication error between indoor and main outdoor unit
T1 (Room temperature sensor) malfunction
T2 (Middle of evaporator sensor) malfunction
T2B (Outlet of evaporator sensor) malfunction
T2A (Inlet of evaporator sensor) malfunction
DC fan motor error
EEPROM failure
EXV malfunction
TA (discharge temperature sensor) malfunction
Outdoor unit Fault
High Water Alarm
Emergency stop
Remote off
MS self-inspection error
MS error
Fault Code Display on Controller
Description
Communication/Address error between indoor units and wired controller
Communication/Wiring error between indoor units and wired controller
Controller temperature sensor error
11