Carrier DHMVHA Service Manual page 11

:
Point Check Function
Press the remote control's LED display or LED or MUTE three times, and then press AIR DIRECTION or SWING three times in ten
seconds: the buzzer rings for two seconds. The unit enters the information enquiry status. Press the LED DISPLAY or AIR DIRECTION to
check the next or previous item's information.
When the unit enters the information enquiry status, it displays the code name in 2 seconds (see Table 6).
ENQUIRY INFORMATION
T1
T2
T3
T4
TS
TP
Td
Compressor Target Frequency
Compressor Actual Frequency
Indoor Fan Speed
Outdoor Fan Speed
EXV Opening Angle
Compressor continuous running time
Compressor stop causes
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
When the unit enters the information enquiry status, the code value appears for 25 seconds (see Table 7).
ENQUIRY INFORMATION
T1,T2,T3,T4,
T2B,TP,TH,
Targeted
Frequency,
Actual
Frequency
Indoor fan speed
/Outdoor fan speed
EXV opening angle
Compressor continuous
running time
Compressor stop causes
Reserve
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 6 — Information Enquiry
DISPLAYING CODE
Table 7 — Information Enquiry
DISPLAY VALUE
-1F,-1E,-1d,-1c,-1b,-1A
-19—99
A0,A1,...A9
b0,b1,...b9
c0,c1,...c9
d0,d1,...d9
E0,E1,...E9
F0,F1,...F9
0
Low speed, Medium speed, High speed,
1,2,3,4
Turbo
Actual fan speed = Display value turns to
14-FF decimal value and then multiply by 10. The
unit is RPM.
Actual EXV opening value = Display value
0-FF
turns to decimal value and then multiply by 2.
0-FF 0-255 minutes
For a detailed meaning, please consult with
0-99
an engineer.
0-FF
T1
T2
T3
T4
TS
TP
TH
FT
Fr
IF
OF
LA
CT
ST
A0
A1
b0
b1
b2
b3
b4
b5
b6
dL
Ac
Uo
Td
MEANING
-25,-24,-23,-22,-21,-20
-19—99
100,101,...109
110,111,...119
120,121,...129
130,131,...139
140,141,...149
150,151,...159
OFF
11
MEANING
T1 temp. Indoor
T2 temp. Evaporator coil
T3 temp. Outdoor coil
T4 temp. Outdoor air
Set Temperature
TP temp. Comp disc
Control Target Temperature
Targeted Frequency
Actual Frequency
Indoor fan speed
Outdoor fan speed
EXV opening angle
Compressor continuous running time
Compressor stop causes
REMARK
1. The displaying temperature is the actual
value.
2. The temperature is °C no matter what kind
of remote control is used.
3. T1,T2,T3,T4,T2B display range:-25~70,
TP display range:-20~130.
4. Frequency display range: 0~159HZ.
5. If the actual value exceeds the range, it
displays the maximum value or minimum
value.
For some big capacity motors
For some small capacity motors, the display
value is from 14-F (hexadecimal), the
corresponding fan speed range is from 200-
2550 RPM.
If the actual value exceeds the range, it
displays the maximum value or minimum
value.
Decimal display