Carrier 40VMW005 - Troubleshooting

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TROUBLESHOOTING
Figure 28 shows the display panels for 40VMW005-018 and 40VMW024-30 units. See Table 5 for a summary of display indicators.
Table 6 lists problems, possible causes, and possible solutions.
Fig. 28 —40VMW Display Panel
Table 5 — Display Indicators
TYPE DIGITAL DISPLAY MODE/STATUS
[NO ERROR]
Setting Temperature Starting
“--” Shutdown
“--” Standby
“--” Timing ON
“--” Timing OFF
Setting Temperature System Defrost ON
Setting Temperature System Defrost OFF
Room Temperature Only Fan
ERROR
dd Heating / Cooling Mode Conflict Error
E1 Communication Error Between Indoor and Outdoor Unit
E2 Check Indoor Temperature Sensor (T1)
E4 Check Evaporator Outlet Temperature Sensor (T2B)
E5 Check Evaporator Temperature Sensor (T2A)
E6 Check DC Fan
E7 EEPROM Error (Data Storage)
E9 Communication Error Between Indoor Unit and Wired Controller.
Eb EEV Error
Ed Outdoor Unit Error
EE Condensate Overflow
FE No Address When Powered ON For First Time
UU MDC In Auto System-Check Mode.
LEGEND
ACB — Auxiliary Control Board
EEPROM — Electronically Erasable Programmable Read-only Memory
EEV — Electronic Expansion Valve
MDC — Multi-port Distribution Controller
40VMW005-018
LEGEND
DEF. — Defrost
40VMW024-030