Trane 4TVH0086FE000AA Service Manual page 69

Table 5-2.5: System check (continued)
DSP1
content
34.-- Reserved
35.-- Reserved
36.-- DC voltage A
37.-- DC voltage B
38.-- Reserved
39.-- Address of VIP indoor unit
40.-- Reserved
41.-- Reserved
42.-- Refrigerant quantity
43.-- Outdoor unit program version
44.-- Dust-clean function/auto power save mode (META function)/Power limitation mode
45.-- Most recent error or protection code
-- -- --
Notes:
1. Outdoor unit capacity setting:
0: 8HP; 1: 10HP; 2: 12HP; 3: 14HP; 4: 16HP; 5: 18HP; 6: 20HP; 7: 22HP; 8: 24HP; 9: 26HP; A: 28HP; B: 30HP; C: 32HP.

2. Operating mode:
0: off; 2: cooling; 3: heating; 4: forced cooling.

3. The fan speed index is related to the fan speed in rpm and can take any integer value in the range 1 (slowest) to 35 (fastest).
4. 480P: steps = value displayed × 4; 3000P: steps = value displayed × 24.
5. Priority mode:
0: auto priority; 1: cooling priority; 2: VIP priority or voting priority; 3: heating only; 4: cooling only.

6. Silent mode:
0: night silent time 6h/10h; 1: night silent time 6h/12h; 2: night silent time 8h/10h; 3: night silent time 8h/12h; 4: no silent mode; 5: silent mode 1; 6:

silent mode 2; 7: silent mode 3; 8: super silent mode 1; 9: super silent mode 2; 10: super silent mode 3; 11: super silent mode 4.
7. Static pressure mode:
0: standard static pressure; 1: low static pressure; 2: medium static pressure; 3: high static pressure; 4: super high static pressure.

8. Refrigerant quantity:
0: normal; 1: slightly excessive; 2: significantly excessive; 3: slightly insufficient; 4: significantly insufficient; 5: critically insufficient.

9. Dust-clean function/auto power save mode (META function)/Power limitation mode:
DSP1
DSP2
Digital display output
Table 5-2.6: Digital display output in different operating states
Outdoor unit state
Standby
For single
Normal compressor units
operation
For dual
compressor units
Error or protection
In menu mode
System check
Parameters displayed on DSP2
First digital display on DSP2
No display: Dust-clean function is not activated; auto
power save mode (META function) is not activated
1: Dust-clean function is not activated; auto power save
mode (META function) is activated
2: Dust-clean function is activated; auto power save mode
(META function) is not activated
3: Dust-clean function is activated; auto power save mode
(META function) is activated
*Dust-clean function is available as a customization option.
Parameters displayed on DSP1
Unit's address
--
Running speed of compressor B in
rotations per second
-- or placeholder
Refer to Table 5-2.3
Refer to Table 5-2.5
Second digital display on DSP2
0: 100% capacity output
1: 90% capacity output
2: 80% capacity output
3: 70% capacity output
4: 60% capacity output
5: 50% capacity output
6: 40% capacity output
Parameters displayed on DSP2
The number of indoor
communication with the outdoor unit
Running speed of the compressor in
rotations per second
Running speed of compressor A in
rotations per second
Error or protection code
Refer to Table 5-2.3
Refer to Table 5-2.5
68
Remarks
Actual value = value displayed × 10
Actual value = value displayed × 10
Refer to Note 8
Refer to Note 9
"--" is displayed if no error or protection events
have occurred since start-up
End
units in
DSP1
DSP2