Display Code On Digital Tube Of Outdoor Mainboard; Display Of The Number Of Indoor Units - GREE ELECTRIC GMV(L)-Pd100W/NaB-K Service Manual

DC INVERTER MULTI VRF
1.2

Display Code on Digital Tube of Outdoor Mainboard

Error
DC overvoltage
protection
Module overheat
protection
Current test circuit
fault
Module temperature
sensor fault
Compressor
overcurrent protection
DC undervoltage
protection
Compressor startup
failure
PFC module
protection
Drive resetting and
stop
Protection of
compressor against
loss of
synchronization
Compressor
protection against
loss of phase
Inverter drive
communication fault
IPM module
protection
1.3

Display of the number of indoor units

Note: You may press down SW3 key of outdoor unit twice continuously within 2s, so that the system will detect
the number of indoor units, in which case the LED1 ～ LED4 will blink in turn, LED5 and LED6 will become dark.
After 12 seconds, the number of indoor units will be displayed.
Number of indoor
units
LED6
1
2
3
4
5
6
：
：
62 Bright
63 Bright
Display
Display on
on
Indoor
Digital
Unit
Tube
PH E5
P8 E5
Pc E5
P7 E5
P5 E5
PL E5
Lc E5
Hc E5
P0 E5
H7 E5
Ld E5
P6 E5
H5 E5
LED5
Dark Dark
Dark Dark
Dark Dark
Dark Dark
Dark Dark
Dark Dark
： ：
： ：
Bright
Bright
Error
Input overcurrent protection
Jumper fault
Recharging circuit fault
High-pressure protection
Low-pressure protection
Exhaust protection
Compressor overload protection
Communication fault (between
indoor / outdoor unit and wired
controller)
Outdoor ambient temperature
sensor error
Indoor coil inlet temperature
sensor error
Indoor coil middle temperature
sensor error
Outdoor coil outlet temperature
sensor error
Exhaust temperature sensor
error
Lamp display
LED4 LED3
Dark Dark
Dark Dark
Dark Dark
Dark Bright
Dark Bright
Dark Bright
： ：
： ：
Bright Bright
Bright Bright
MAINTENANCE
Display
Display on
on
Indoor
Digital
Tube
PA
C5 No display
PU
E1
E3
E4
H3
E6
F4
F5
F6
F7
F9
LED2 LED1
Dark Bright
Bright Dark
Bright Bright
Dark Dark
Dark Bright
Bright Dark
： ：
： ：
Bright Dark
Bright Bright
Unit
E5
E5
E1
E3
E4
E5
E6
F4
F5
F6
F7
F9