Service manual
53
12
Self Diagnostic Display Information
Outdoor Units
Outdoor unit information data display (Displayed on each outdoor unit)
SW03 SW02 SW01 Displayed content
1 1 1 Check code A [U1] to [U5]: Outdoor unit number (1: Inverter)
B [– –]: Normal time (No error),
a check code is displayed in abnormality.
<SW04> Push function:
Only fan of unit in which an error occurred operates.
<SW04 + SW05> Push function: Only fan of normal unit operates.
<SW05> Push function: Fan operation function is interrupted.
2 Type of installed A [U1] to [U2]: Outdoor unit number
compressor
B [ A]: Fixed-speed 2 in 1, [ b]: Fixed-speed 2 compressor
[ C]: Fixed-speed single, [ d]: Inverter (2 in 1)
3 Operation mode A —
B [ C]: Cooling operation, [ H]: Heating operation
4 Outdoor unit capacity A [ 6], [ 8], [10]: 6, 8, 10HP
B [HP]
5 Compressor operation A [1. –]: No.1 compressor stop status, [1. 1]: During operation
command For inverter, the frequency code is displayed: [00] to [FF]
B [2. –]: No.2 compressor stop status, [2. 1]: During operation
<SW04> Push function:
Inverter frequency data is displayed in decimal notation.
<SW05> Push function:
Release of frequency data display in decimal notation
6 Outdoor fan operation A [FP]
pattern
B [ 0] to [16]: 0 wave (stop) to 16 waves (All waves)
7 Compressor backup A [C1]: Under No.1 compressor backup setup
B [C2]: Under No.2 compressor backup setup
8—A —
B—
9 Control valve output A B
SV2: OFF H. O 2. 0
SV2: ON H. O 2. 1
10 SV3A: ON/SV3B: OFF/SV3C: OFF 3. 1 0 0
SV3A: OFF/SV3B: ON/SV3C: OFF 3. 0 1 0
SV3A: OFF/SV3B: OFF/SV3C: ON 3. 0 0 1
11 SV41: ON/SV42: OFF 4. 0 1 0
SV41: OFF/SV42: ON 4. 0 0 1
12 — — —
13 — — —
14
PMV A1 + PMV A2 opening
[ 00] to [500]: 0 to 1000 pulse 0 0 P
15 PMVB opening [ 00] to [500]: 0 to 500 pulse 0 0 P
16 Oil level judgment status A [OL]
B [ ]: Initial display, [FF]: Oil judgment start status
[A0]: Adequate, [A1]: Shortage, [A2 to A4]: Detection error
<SW04> Push function:
Oil level judgment control forcible start
(Detection starts after timer count down)
<SW05> Push function:
Oil level shortage status/Continuous counter display
(Displayed for several seconds)
NOTE: The push-switch function operates by input from the inverter unit.