Daikin FTKZ50UV16U4, Operation Manual

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Troubleshooting
Troubleshooting
II
Fault diagnosis by remote controller
The remote controller can receive relevant error codes from the indoor unit.
1. When the unit is shut down due to fault, the fault code can be called out by pressing
the "display"+"-" key for 3s at the same time:
2. When the setting is successful, the buzzer rings for 400ms, and the "88" display of IDU
displays the fault code
• The code indication changes as shown below, and notifies with a long beep.
NO. i-auIt or ::;tale
1 IOU AC Voltaae zero-crossina detection error
2 IOU fan motor error
3 Communication error between IOU and ODU check bv IOU
4 Function Select Circuit Error
5 Communication error between IOU and ODU check bv ODU
6 Filter clean reminder
7 IOU ambient temperature sensor open
I
short circuit
8 IOU pipe temperature sensor open/ short circuit
9 ODU ambient temoerature sensor ooen
I
short circuit
10 ODU pipe temperature sensor open
I
short circuit
11 ODU discharae temoerature sensor ooen
I
short circuit
12 Comoressor 1PM temoerature sensor ooen / short circuit
13 Discharae temperature sensor malfunction
14 Discharae temoerature overheat orotection
15 System overload protection
16 Compressor overload protection
17 Anti-freezina orotection
18 4-wav valve reversed malfunction protection
19 ODU ambient temperature malfunction protection
20 Comoressor non-svnchronism orotection
21 Compressor start failure protection
22 Compressor peak current protection
23 Comoressor RMS current orotection
24 Compressor 1PM protection
25 Compressor 1PM overheat protection
26 Comoressor current sensina circuit malfunction orotection
27 Compressor phase loss protection
28 ODU DC fan motor orotection
29 ODU DC fan motor current sensina circuit malfunction orotection
30 ODU EEPROM malfunction
31 ODU Charaina malfunction
32 ODU DC voltaae overhiah orotection
33 ODU DC voltaae over low protection
34 ODU DC voltaae droo orotection
35
ODU AC current abnormal orotection
36 ODU AC RMS current overhiah protection
37 ODU PFC current sensina circuit malfunction orotection
38 PFC □rotection
NOTE
• A short beep indicates non-corresponding codes.
• To cancel the code display, hold down press
@
twice to clear the error code.
L;oae
C1
C2
C3
C4
C6
CL
EO
E1
E2
E3
E4
ES
E8
HO
H1
H2
H3
H7
H8
LO
L 1
L2
L3
L4
LS
L6
L7
L8
L9
uo
U1
U3
U4
us
U6
U7
U8
U9
DAIKIN INDUSTRIES, LTD.
Head office:
Osaka Umeda Twin Towers South
1-13-1 , Umeda , Kita-ku , Osaka , 530-0001 , Japan
Tokyo o ff ice:
Y aesu Central Tower , Tokyo Midtown Y aesu ,
2-2-1 , Y aesu , Chuo-ku , Tokyo , 104-0028 , Japan
http://www.daikin.com