Carrier 40VMA Series, Инструкция по установке и обслуживанию, Страница: 23 / 25

23
TROUBLESHOOTING
Figure 38 shows the indoor unit’s LED display panel. See Table 5 for a summary of display indicators. Table 6 lists problems, possible
causes, and possible solutions.
Fig. 38 —LED Display Panel
Table 5 —LED Display Indicators
ERROR CODE
LED DISPLAY MODE/STATUS
[NO ERROR]
Operation Light ON Starting
None Shutdown
Operating Light Flashing Standby
Timer Light ON Timing ON
Timer Light OFF Timing OFF
Operation and Defrost/Fan Light ON System Defrost ON
Operation and Defrost/Fan Light OFF System Defrost OFF
Operation Light ON Only FAN
dd
None
Heating/Cooling Mode Conflict
E1
Communication Error Between Indoor and Outdoor Unit
E2
Check Indoor Ambient Temperature Sensor (T1)
E3
Check Room Temperature Sensor (TA)
E4
Check Evaporator Temperature Sensor (T2B)
E5
Check Evaporator Outlet Temperature Sensor (T2A)
E6
Check DC Fan Motor
E7
EEPROM Error (Data Storage)
E9
Communication Error Between Indoor Unit and Controller
Eb
EEV Error
Ed
Outdoor Unit Error
EE
Condensate Error
FE
No Address When Power ON For First Time
UU
MDC Error In Auto System-Check Mode
LEGEND
EEPROM
— Electronically Erasable Programmable Read-only Memory
EEV — Electronic Expansion Valve
MDC — Multi-port Distribution Controller