Friedrich MW18Y3F User Manual
Page 12
Outdoor unit
control error
Current trip
Current trip error is 2nd time within
start up
>>Permanent stop
CT abnormal
Current detection value is 0A for more
than 1 sec when compressor is
operated at more than 56rps
>>Automatic release after 3 min. ST
Compressor rotation
error
Compressor location detection error (incl.
failed start up) for 3 times
>>Permanent stop
Indoor fan
motor error
Abnormal lock
Detected rotation is 0 r.p.m. at start up or
at 56 secs after Fan mode is selected
>>Permanent stop
Abnormal rotation
Detected rotation is 1/3 of target r.p.m. at
start up or at 56 secs after Fan mode is
selected
>>Permanent stop
Refrigerant
cycle error
Discharge temperature
abnormal
Discharge Temperature protection
(Discharge temperature is 110degC)
operated 2 times
>>Permanent stop
Cooling high pressure
abnormal rise
High pressure rise protection (Outdoor
heat exchanger temperature is 65degC)
operated
>>Comp. OFF (releases after 3min.ST)
Error is indicated while 3 min.ST
Optional
function
error
Active filter voltage
abnormal (3rd time)
Active Filter voltage error operated 3 times
>>Permanent stop
Active filter foltage
abnormal (1st time)
Active Filter Module error or open
detection protection operated
>>Automatic release after 3 min. ST
Outdoor unit fan drive
system abnormal
When outdoor fan abnormal fan motor
duty abnormal operated 5 times
>>Permanent stop
2006.02.20
11
Error
Operation
Timer
Error
Operation
Timer
1 sec
blinking
0.1sec
blinking
0.5sec
2 times
0.1sec
blinking
0.5sec
3 times
0.1sec
blinking
0.1sec
blinking
0.1sec
blinking
0.1sec
blinking
0.1sec
blinking
0.1sec
blinking
0.1sec
blinking
0.1sec
blinking
0.5 sec
5 times
0.5sec
6 times
0.5sec
6 times
0.5sec
5 times
0.1sec
blinking
0.5sec
2 times
0.5sec
3 times
0.5sec
7 times
0.1sec
blinking
0.5sec
2 times
0.5sec
3 times
0.5sec
8 times
0.1sec
blinking
0.5sec
2 times
0.5sec
3 times
Trouble Display (primary)
Detailed Trouble Display (by Test Button)
Detailed Error Item
In
do
or
In
do
or
O
ut
do
or
O
ut
do
or
O
ut
do
or
O
ut
do
or
O
ut
do
or
O
ut
do
or
O
ut
do
or
O
ut
do
or