If TV and radio reception suffers inter-
ference:
&
Never route the air-conditioning
system cables together with aerial
cables.
&
Use aerial cables with a good
screen.
&
Use suppression filters.
&
Use signal amplifiers.
Activating test mode
The test mode enables the checking of the air-conditioning unit with fixed para-
meters.
Type OD306H
1.
Set the equipment to "cooling,
16 °C set temperature and a high
fan speed" or "heating, 30 °C set
temperature and a high fan speed".
See operating instructions.
2.
Hold down the "MODE" key at the
internal device (for duct mounted
devices at the receiver) for 5 to
10 s.
Type OT307H
Call up the test mode "Maintenance" at the programming unit of the external
unit (see page 31).
Menu structure overview (only external unit, type OT307H)
CL/
Ht/
Sb
Operating mode
tt
Test mode
mainte-
nance
ttC
Cooling
ttH
Central heating
It
Test mode
installation
PSS Test passed
FAL
Fault
Diagnosis
(cont.)
31
Troubleshooting
5692
689
GB