Haier MRV II Instruction Manual page 73

digital
indication
tube
indication
controller
on master
unit
54
69
70
71（1）
72（2）
73（3）
74(4)
75(5)
76(6)
on wired
(hex)
master unit oil
temp.
36
low
slave
45 missing
operation
system lack of
46
refrigerant
lack of phase
or
47
phase
sequence
compressor
over
48
protection
the slave unit
defrosting
49
temp.
Te failure
the slave unit
ambient temp.
4A
sensor
failure
the slave unit
suction
4B
sensor
failure
the slave unit
discharging
4C
temp.
Td failure
failure code
definition
is too
unit is
in
incorrect
current
sensor
Ta
temp.
Ts
sensor
- 74 -
failure description
in operation,
compressor oil temp. is
below (Ps＋10)ºC for 5
minutes, resumable
in operation, slave unit
communication
abnormal, or slave unit
is powered off
the failure
displayed, no protection
occurs
sensor temp. is below
-60.87 (open circuit)
or over 135.4 （short
circuit）for 1 minute
sensor temp. is below
-60.87 (open circuit)
or over 135.4 （short
circuit）for 1 minute
sensor temp. is below
-60.87 (open circuit)
or over 135.4 （short
circuit）for 1 minute
after compressor runs
for 5 minutes,
sensor temp. is below
-4.45 (open circuit) or
over 337.14
circuit) for 1 minute
is
only is
the
(short