Mark HCNI 533, Техническое руководство

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8.2.2 Error Display (for HCNI 533 Outdoor Unit)
There are 2 LED lights (Red color and Green color) welded in outdoor main board.
After power on, LED show different actions when encounter different problems.
8.3 Information inquiry
• To enter information inquiry status, complete the following procedure within 10 seconds:
1) Press 3 times LED button on the IR Remote Control.
2) Press 3 times SWING button on the IR Remote Control.
• Finish 1 and 2 within 10 seconds; you will hear beeps for 2 seconds, which means the unit goes
into parameter checking mode.
• Use the LED and SWING buttons to cycle through information displayed.
- Pressing LED button will display the next code in the sequence.
- Pressing SWING button will show the previous code in the sequence.
• The following table (see on next page) shows information codes. The screen will display this
code for 2 seconds, then the relevant information for 25 seconds.
Displayed
Code Explanation Displayed
value Meaning Additional Notes
T1 Room temp.
- 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
- 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
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°C to 70°C. TP display ranges
from -20°C 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 will
be displayed.
T2 Indoor coil temp.
T3 Outdoor coil temp.
T4 Ambient temp.
TB Outlet temp. of indoor
coil.
TP Discharge temp.
TH Suction temp.
FT Targeted frequency.
FR Actual frequency.
IF Indoor fan speed.
0
1,2,3,4
14-FF
OFF
Low speed, Medium
speed, High speed,
Turbo.
Actual fan speed is
equal to the display
value converted to deci-
mal value and multiplied
by 10. This is measured
in RPM.
N/A
Used for some large capacity motors.
Used for some small capacity motors.
The display value is 14-FF (hexadeci-
mal). Corresponding fan speed ranges
from 200 RPM to 2550RPM.
OF Outdoor fan speed.
LA EXV opening angle. 0-FF
Actual EXV opening
value is equal to the
display value converted
to decimal value and
then multiplied by 2.
-
No. Problem
LED (Green)
LED (Red)
1 Standby normally.
ON OFF
2 Operate normally.
OFF ON
3 Compressor driven chip EEPROM parameter error.
ON FLASH
4 IPM malfunction or IGBT over-strong current protection.
Flash OFF
5 Over voltage or too low voltage protection.
ON ON
6 Inverter compressor drive error.
OFF FLASH
7 Inverter compressor drive error.
Flash LIGHT
8
flash FLASH
Communication error between outdoor main chip and compressor
driven chip.