Chigo CCB-18HVR4 - Spot Check

R3250Hz Universal Series Technical Manual
80
GD Chigo Heating & Ventilation Equipment Co., Ltd.
Table 2: LED display
Error description Display
content
Indoor unit waiting for address assignment
LED timer and running flash together
(reserve) LED timer, running, protection, defrost
flash together
Communication error between outdoor unit and indoor unit
LED timer flash quickly
Fan motor stall protection
LED timer flash slowly
Indoor unit temperature sensor error
LED run flash
Water level alarm
LED protection flash
(reserve)
LED defrost flash
Outdoor unit error
LED protection flash slowly
EEPROM error
LED defrost flash slowly
Quickly flash is 2.5Hz, slowly flash is 0.5Hz.
Error
type
Running
Defrost
Timer
Protection
Outdoor unit condenser outlet (T3) sensor error
OFF
OFF
ON
ON
Outdoor temperature (T4) sensor error
OFF
OFF
Flashing
ON
AC overvoltage/under voltage protection
OFF
Flashing
OFF
ON
P6 protection
OFF
Flashing
ON
ON
Compressor protection
OFF
ON
OFF
ON
Compressor top temperature (T5) over-high
protection
OFF ON ON ON
Outdoor DC fan motor error
OFF
ON
Flashing
ON
Over current protection
ON
ON
OFF
ON
13.2 Spot check
Spot
check
NO.
Content
Spot
check
NO.
Content
1 Indoor unit capacity
8
Outdoor unit condenser outlet (T3)
temperature
2 Indoor unit capacity demand
9
Outdoor temperature (T4)
temperature
3
Indoor demand after T4
amendment
10
Compressor top temperature (T5)
temperature (maximum 99 ℃ )
4
Indoor demand after T2
amendment
11 Opening of EXV
5
Indoor room temperature (T1)
temperature
12
Running frequency of
compressor
6
Indoor coil middle temperature
(T2)
temperature
13 Primary voltage/4
7
Indoor coil outlet temperature
(T2B)
temperature