15
3. Press TE
MP. UP or TEMP. DOWN to choose the
address you want to set, see Fig. 19. Press MENU/OK to
send this address to the IDU.
Fig. 19 — Programmable Controller
(40VM900003) Setting IDU Address
MODE
FAN TEMP. DOWN
MENU
OK
TEMP. UP
BACK
ON/OFF
4. Press BACK twice or wait 30 sec. to automatically exit
the par
ameter settings menu.
TROUBLESHOOTING
Figure 20 shows the LED display panel. See Table 5 for a
summary of display indicators. Table 6 lists problems, possible
causes, and possible solutions.
MANUAL OPERATION TIMER DEF./FAN ALARM
Table 5 — Display Indicators
LEGEND
EEPROM — Electronically Erasable Programmable Read-only Memory
EEV — Electronic Expansion Valve
MDC — Multiport Distribution Controller
ERROR CODE MODE / STATUS
[NO ERROR]
Setting Temperature Starting
“--” Shutdown
“--” Standby
“--” Timing ON
“--” Timing OFF
Setting Temperature System Defrost ON
Setting Temperature System Defrost OFF
ERROR
dd
Heating / Cooling Mode Conflict Error
E1 Communication Error Between Indoor and Outdoor Unit
E2 Check Indoor Ambient Temperature Sensor (T1)
E4 Check Evaporator Temperature Sensor (T2)
E5 Check Evaporator Outlet Temperature Sensor (T2B)
E6 Check DC Fan Motor
E7 EEPROM Error (Data Storage)
E9 Communication Error Between Indoor Unit & 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