Rotenso ANERU Series, Service Manual

Page: 382 / 552

 Troubleshooting 10 
Super-slim Four-way Cassette Type:
• To enter engineer mode, in power-on or standby mode, and in non-locked state, press the key combination “ON/OFF
+ Air Speed” for 7s:
• After entering the engineer mode, the remote control will display icons of “Auto, Cool, Dry, Heat”, and the Battery
icon; at the same time, it will also display the numeric code of the current engineer mode (for the initial engineer
mode, the numeric code displayed is 0), and all other icons are inactive.
• In engineer mode, the value of the current numeric code can be adjusted circularly through the Up/Down key, with
the setting range of 0 to 30.
Code Query Content Additional Notes
0 Error code
Refer to next list of error code
1
Room temperature T1 temperature
2
Indoor coil temperature T2 temperature
3
Outdoor coil temperature T3 temperature
4
Ambient temperature T4 temperature
5
Discharge temperature TP temperature
6 Compressor Target Frequency FT
Targeted Frequency
7 Compressor Running Frequency Fr
Actual Frequency
8 Unit Current dL
N/A
9 Outdoor AC Voltage Uo N/A
10 Current indoor capacity test state Sn
N/A
11 Runnig mode od
12 Set Speed Pr of the outdoor fan
Outdoor fan speed=value*8
13 Opening Lr of EEV EXV opening angle-value*8
14
Actual Running Speed ir of the indoor
fan
Indoor fan speed=value*8
15 Indoor Humidity Hu N/A
16 Set Temperature TT after compensation N/A
17
N/A
18
N/A
19 / N/A
20 Indoor Target Frequency oT
N/A
21
Reserve
22
23
24
25
26
27
28
29
30
Exit of engineer mode:
1)In engineer mode, press the key combination of “On/Off + Air speed” for 2s;
2)The engineer mode will be exited if there are no valid key operations for continuous 60s.