LED
LED indicator
Operating condition
Defrosting
Flashes
Defrost demand active
ON
Defrost active
OFF
No defrost
Central heating
ON
Heating mode
OFF
Cooling mode or "Standby" mode
Cooling
ON
Cooling mode
OFF
Heating mode or "Standby" mode
Reports
Internal faults are captured and dis-
played by the unit.
If there is a fault, the display shows
the corresponding code (see table
from page 25) alternating with the
return temperature.
Scanning messages
Press the following keys:
1.
CD
simultaneously and
briefly
(< 2 s); the dis-
play shows "SET".
2.
D
until the display shows
"Err".
3.
CD
simultaneously and
briefly
; the display
shows the first message.
Note
If there is no message the display
shows "
– – –
".
4.
D
to display any other mes-
sages that may be cur-
rent.
5.
CD
simultaneously and for at
least
5 s
to reach the
next higher menu level.
6.
CD
simultaneously and for at
least
5 s
to return to the
standard display.
Deleting messages
In the standard display,
briefly
(< 2 s)
press
D
.
Control unit diagnostics
(cont.)
24
Troubleshooting
5692
695
GB
Summary of Contents for OC208HM
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