(info code) description state state state state
1 Outdoor ambient
temperature
Too high or too low OFF OFF OFF ON
2 Frequency set port In debugging, run
as frequency set
port
OFF OFF ON OFF
3 Overload in
heating
Indoor coil temp.
high
OFF OFF ON ON
4 Current Too high OFF ON OFF OFF
5 Compressor temp. Compressor temp.
high
OFF ON OFF ON
6 Iced in cooling Indoor coil is iced OFF ON ON OFF
7 Overload in
cooling
Outdoor coil temp.
high
OFF ON ON ON
Appendix 1:
COOL
Δt
ΔT
1
2
3
4
5
6
7
8
9
1 15 20 24 28 32 36 40 44 48
2 23 36 40 44 48 52 56 60 64
3 48 52 56 60 64 68 72 76 80
4 64 68 72 76 80 84 88 92 96
5 80 84 88 92 96 100 104 108 108
4Hz/3min
HEAT
Δt
ΔT
1
2
3
4
5
6
7
8
9
1 32 36 40 44 48 52 56 60 64
2 48 52 56 60 64 68 72 76 80
3 64 68 72 76 80 84 88 92 96
4 84 88 92 96 100 104 108 112 116
5 120
4Hz/3min
rising frequency process(max.):
Failure code display (at VFD temperature section)
Indoor
10Hz
5Hz /3s
55Hz (stop for 60s)
1Hz/1s
85Hz (stop for 60s)
1Hz/1s
90Hz
1Hz/1s
Permitted max.
frequency
>a__WcU[S^ <[c >a`V[e[a`Wc
-223-
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