Nibe S135, Руководство по установке, Страница: 26 / 36

In most cases, the indoor module notes operational in-
terference (operational interference can lead to disturb-
ance in comfort) and indicates this with alarms and
shows action instructions in the display.
If the operational interference is not shown in the display
the following tips can be used:
BASIC ACTIONS
Start by checking the following items:
• That the feed cable is connected to S135.
• Group and main fuses of the accommodation.
• The property's earth circuit breaker.
LOW OR A LACK OF VENTILATION (EXHAUST
AIR INSTALLATION)
• Filter (HQ12) blocked.
– Clean or replace the filter.
• The ventilation is not adjusted.
– Order/implement ventilation adjustment.
• Exhaust air device blocked or throttled down too
much.
– Check and clean the exhaust air devices.
• Fan speed in reduced mode.
– Enter menu 1.2.1 and select "normal".
LOUD OR DISTURBING VENTILATION
(EXHAUST AIR INSTALLATION)
• Filter (HQ12) blocked.
– Clean or replace the filter.
• The ventilation is not adjusted.
– Order/implement ventilation adjustment.
• Fan speed in forced mode.
– Enter menu 1.2.1 and select "normal".
THE COMPRESSOR DOES NOT START
• There is no heating requirement.
– The indoor module does not call on heating or hot
water.
– The heat pump defrosts.
GURGLING SOUND
• Not enough water in the water seal.
– Refill the water seal with water.
• Choked water seal.
– Check and adjust the condensation water hose.
NIBE S135 Chapter 8 | Disturbances in comfort 26
8 Disturbances in comfort