15
3.
Press
TEMP. 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 parameter 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.
Fig. 20 — Display Panel
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