Troubleshooting - Acson AMDS050B5 Betriebshandbuch Und Installationsanleitung

●
Indoor units shall not be set up to impact each other;
●
Do not put any article at location of air inlet and outlet of outdoor units;
●
Do not touch any sharp edge of fins and panel etc;
●
Do not use the leakage testing detergent;
●
When in low ambient temperature, add the heating coil or electrical heater;

5 Troubleshooting

●
If the followings unit malfunction occurred, please follow the below simple checking step to fix :
Symptom
Compressor stop and fan
work normally
Units do not work
Cooling or heating not
enough or too much
Remote controller unreadable
Condensing water in front
panel
●
If user can not fix the problem, please contact the local service agent for assistance, meanwhile record the malfunction code by wired
controller and indication light of units self-checking function; Following is the malfunction code could display in the wired controller:
Item code Description
1 E0 System malfunction
Sensor broken
2 E1
temp.)
3 E2 Sensor broken (TH2 inlet coil 1#)
4 E3 Sensor broken (TH3 mid coil 1#)
5 E4 Sensor broken (TH4 inlet coil 2#)
6 E5 Sensor broken (TH5 mid coil 2#)
7 E6 Sensor broken (TH6 inlet coil 3#)
8 E7 Sensor broken (TH7 mid coil 3#)
9 E8 Sensor broken (TH8 ambient temp.)
10 E9 Sensor broken (TH9 outlet coil)
11 EA Sensor broken (TH10subcool outlet)
Sensor broken
12 EB
suction)
13 EC Sensor broken (TH12suction)
14 EF Emergency run
15 F0 Outdoor storage malfunction
16 F1 Sensor broken (indoor inlet coil)
17 F2 Sensor broken (indoor mid coil)
18 F3 Sensor broken (indoor outlet coil)
19 F4 Sensor broken (indoor return air )
20 F5 Sensor broken (indoor supply air)
Indoor and controller
21 F6
communication malfunction
22 F7 Ambient temp exceed the limit
23 F8 Water temp. too high or low
24 F9 Insufficient water flow
25 FA Controller storage malfunction
Indication light twinkle related to the code of malfunction:
Type Heat Sleep/Fan Dry
Sensor , indoor Off Off
Pump , indoor Off
Communication F Off
Note : " F" means " flash" , " On" means " light on" , " Off" means " light off" ;
●
When outdoor unit running, the system parameters will be displayed on the LED in the PCB board of outdoor controller, meanwhile it can
display malfunction code.
analyses
Indoor temperature is higher (heating) or lower (cooling)
than setting temperature
When heating and defrost mode, indoor unit is just running
Power is not on
Set up the re-start function
Fuse broken in main power supply
Air filter too dirty
Return air barrier
Low battery
Wrong installation of battery
Humidity too high
Setting temperature too low
Item code
26 FB Water pump(indoor drain pump)
(TH1 discharge
27 FC Indoor&outdoor communication malfunction 50 16
Outdoor master and outdoor slave
28 FE
communication malfunction
29 FF Fresh air filter clogging
30 H0 Digital comp overload
31 H1 Fixed comp1 overload
32 H2 Fixed comp2 overload
33 H3 Fixed comp3 overload
34 H4 High pressure too high
35 H5 Sensor broken, high pressure
36 H6 Discharge temp too high
(TH11subcool
37 H7 High pressure too low
38 L0 Super heat too low
39 L1 Low pressure too low
40 L2 Sensor broken, low pressure
All indoor units and outdoor units
41 L3
communication malfunction
Outdoor
42 L6
communication malfunction
Ammeter
43 L7
communication malfunction
The following for the Slave units
44 10 System malfunction
45 11 Sensor broken (slaveTH1 discharge temp.) 69 37
46 12 Sensor broken(slaveTH2 inlet coil 1#)
47 13 Sensor broken(slaveTH3 mid coil 1#)
48 14 Sensor broken(slaveTH4 inlet coil 2#)
Type
F Sensor, outdoor
F Off Overload , compressor
Off Pressure high/low
Description
unit and elec. power dist.
and elec. power dist.
Heat Sleep/Fan Dry
Off F F Pressure sensor, outdoor
F F Off System failure
F Off F Others
Solution
Re – set up the temperature
Waiting for 10minutes
Check and connect the power
Wait or cancel timer On
Replace the fuse
Clean or replace the filter
Remove the barrier
Replace the battery
Install properly
Dehumidify
Set up the higher indoor temperature
Item code Description
49 15 Sensor broken(slaveTH5 mid coil 2#)
Sensor broken(slaveTH6 inlet coil 3#)
51 17 Sensor broken(slaveTH7 mid coil 3#)
52 18 Sensor broken(slaveTH8 ambient temp.)
53 19 Sensor broken(slaveTH9 outlet coil)
Sensor broken (slave TH10 subcool
54 1A
outlet)
Sensor broken ( slave TH11 subcool
55 1B
suction)
56 1C Sensor broken(slaveTH12 suction)
57 1F Emergency run(slave)
58 20 Outdoor storage malfunction(slave)
59 27 Ambient temp exceed the limit(slave)
60 28 Water temp. too high or low (slave)
61 29 Insufficient water flow (slave)
62 30 Digital comp overload(slave)
63 31 Fixed comp1overload(slave)
t
64 32 Fixed comp2 overload(slave)
65 33 Fixed comp3 overload(slave)
66 34 High pressure too high(slave)
67 35 Sensor broken, high pressure(slave)
68 36 Discharge temp too high(slave)
High pressure too low(slave)
70 40 Super heat too low(slave)
71 41 Low pressure too low(slave)
72 42 Sensor broken, low pressure(slave)
Type Heat
F
F
F
6
Sleep/Fan Dry
F On
F F
On On