Haier MRV II - Page 70

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5.5Table 5: Failure code list
5.5.1 Outdoor failure code list
digital
tube
indication
on
master
unit
indication
on wired
controller
(hex)
failure code
definition
failure description
20 14
master unit
defrosting
temp. sensor
Te failure
sensor temp. is below
-60.87 ( open circuit ) or
over 135.4 (short circuit)
for 1 minute
21 15
master unit
ambient temp.
sensor Ta
failure
sensor temp. is below
-60.87 ( open circuit ) or
over 135.4 (short circuit)
for 1 minute
22 16
master suction
temp. sensor
Ts failure
sensor temp. is below
-60.87 ( open circuit ) or
over 135.4 (short circuit)
for 1 minute
23 17
master unit air
discharging
temp. sensor
Td failure
after compressor runs for
5 minutes, sensor temp.
is under-4.45(open
circuit) or over 337.14
(short circuit) for 1 minute
24 18
master unit oil
temp. sensor
Toil failure
sensor temp. is below
-60.87 ( open circuit ) or
over 135.4 (short circuit)
for 1 minute
25 19
master unit
compressor
over current
input from chip 840 on
inverter board
26 1A
communication
between
indoor and
outdoor failure
outdoor can not find any
indoor
27 1B
master unit oil
temp. is too
high
oil temp. over 80 for 10
minutes, resumable
automatically
Part 2