Carrier 38MHRC Service Manual page 25

38MHRC: Service Manual
Point Check Function
Press the remote controller LED three times, and then press SWING three times within ten seconds (the buzzer rings for two seconds). The air
conditioner enters the information enquiry status.
Press LED or SWING to check the next or previous code in the sequence, respectively. When the air conditioner enters the information enquiry status,
it displays the code name for 2 seconds. When the air conditioner enters the information enquiry status, it displays the code value in the next 25
seconds.
Displayed Code Explanation
T1 Room temperature
Indoor coil temperature
T2
Outdoor coil
T3
temperature
T4 Ambient temperature
Outlet temperature
Tb
of indoor coil
Discharge temperature
T5
Targeted frequency
FT
Fr Actual frequency
Indoor fan speed
IF
OF Outdoor fan speed
EXV opening angle
LA
Compressor continuous
CT
running time
Causes of compressor
ST
stop
Displayed Code Explanation
A0
A1
b0
b1
b2
b3
b4
b5
Reserved
b6
dL
Ac
Ub
Td
dA
d5
dT
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 10 — Enquiry Information
Displayed 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
OFF, Low speed, Medium speed,
1,2,3,4
High speed, Turbo.
Actual fan speed is equal to the
display value converted to the
14-FF
decimal value and multiplied by
10. This is measured in RPM.
Actual EXV opening value is equal
to the display value converted to
0-FF
decimal value and then multiplied
by 2.
0-FF 0-255 minutes
For a detailed explanation, contact
0-99
technical support.
Displayed Value
0-FF
2-28
5-20
5-25
25
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
N/A - Used for some large capacity
motors.
Used for some small capacity motors.
The display value is 14-FF
(hexadecimal).
The corresponding fan speed ranges
from 200 to 2550RPM.
-
If the actual value exceeds or falls short
of the defined range, the value closest to
the maximum and minimum is displayed.
-
Meaning
-
Additional Notes
1. All displayed temperatures use
actual values.
2. All temperatures are displayed in °C
regardless of remote used.
3. T1, T2, T3, T4, and T2B display
ranges from -25 the to 70 °C. T5
display ranges from -20 to 130 °C.
4. The frequency display ranges from
0 to 159HZ.
5. If the actual values exceed or fall
short of the defined range, the
values closest to the maximum and
minimum values appear.
Additional Notes
-