Friedrich 1198787 Floating Air Series 36000 BTU Triple Zone Mini Split System with 3x 12000 BTU Wall Mounted Unit and Outdoor Unit

User Manual - Page 190

For 1198787.

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190
TROUBLESHOOTING
Indoor Fault Code
Fault
code
Fault Description
Possible Reason of Abnormality
How to Deal With Re marks
51 Drainage protection
switch connect loose;
1. The water level of the drain
pan exceed safe level;
2. The cable of the water level
1.1 Check whether there are
3.The water level switch is failure;
4. The control board is failure.
1.2 Check the water pump and
something to block the drain
hose or the height of the
drain hose is too high;
replace the water pump if
the water pump is failure;
55 Mode Conflict Fault
2. Reconnect the cable of the
water level switch refer to
the wiring diagram;
3. Replace the water level
switch;
4. Replace the control board.
The user set the conflicting mode for
more than two indoor units
64
C ommunication
between Indoor
& Outdoor unit
Fault
Reset the operate mode for the
indoor unit, for the one outdoor
unit, the user should avoid to set
the conflicting operate mode with
the indoor units .
1. The connection cable between
the indoor unit and the outdoor
unit connect wrong;
2. The communication cable
connect loose;
3.The communication cable
4. The indoor control board is
failure;
5. The outdoor control board is
failure.
between the indoor unit and the
outdoor unit is failure or the
cable between the indoor control
board to terminal is failure or the
cable between the outdoor
control board to the terminal is
failure;
72
1.
2.
Indoor fan motor fault
The cable of the indoor fan
motor connect loose;
The cable of the indoor fan
motor is failure;
1. Reconnect the connection
cable refer to the indoor and
outdoor wiring diagram;
2. Reconnect the
communication cable refer to
the indoor and outdoor wiring
diagram;
3. Replace the communication
cable refer to the indoor and
outdoor wiring diagram;
4. Replace the indoor control
board;
5. Replace the outdoor control
board.
3. The indoor fan motor is failure;
4. The indoor control board is
failure.
73
1.
2.
Indoor EEPROM
Data
1 fault
Indoor EE components is failure;
The control circuit of the EE
components is failure;
3. The EE components has been
1. Reconnect the cable of the
fan motor;
2. Replace the cable of the fan
motor;
3. Replace the fan motor;
4. Replace the indoor control
board;
5. Check the indoor fan and
ensure the indoor fan can
run normally.
1.
2.
inserted with opposite
direction.
3. Reassembly the EE
Replace the EE components;
Replace the indoor control
board;
components of the indoor
control board.
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