Ebac VA32, Руководство пользователя, Страница: 26 / 32

Troubleshooting
5.0
5.1 General Troubleshooting
5.2 Error Codes
Troubleshooting Possible Reasons Problem
The fan(s) does not start
when the unit is on
Low air flow
Cold supply air
Noise, vibration
Secondary Trigger Description
If supply sensor is activated and signal value is 0
The drainage system is soiled,
damaged or installed incorrectly
Shut power to the unit Sensor 1 Fault
If exhaust sensor is activated and signal value is 0
Shut power to the unit Sensor 2 Fault
Communication lost between screen and unit
Show error message No Communication
If minimum current value is not seen during operation
Show error message Damper Fault
If either temperature changes by more
than 20°C within 20 seconds
Shut power to the unit
High Temperature
Service countdown timer has lapsed.
Review user manual.
Show error message
Change Filter
Service countdown timer has lapsed.
Review user manual.
Show error message
Filter Service
Service countdown timer has lapsed.
Review user manual.
Show error message Service
Water leakage
Clean the drain line. Check the drain line
slope angle. Make sure the U-trap
is filled with water and
the drain pipes are frost protected
Tighten any loose screws
Install anti-vinration mounts/connectors
Clean or replace the ventilation system
elements, such as air ducts,
diffusers, louvre shutters, grilles
Ensure the power supply
line is connected correctly otherwise
troubleshoot the connection error
Clean or replace the filters, clean the fans
and the heat exchanger
Change the fan speed inside of the
commissioning menu
Set higher speed
Clean or replace the filter/s
The fan or casing screws are loose
No anti-vibration connectors on the air duct pipe flanges
The filters and/or the and/or heat
exchanger has a blockage
No power supply
The fan speeds are set to 0% in the chosen mode
Low fan speed set
Ventilation system elements
(air ducts, diffusers, louver shutters, grilles)
are blocked, damaged or clean
The extract filter is soiled
23
IF UNIDENTIFIED NOISES OR ODOURS SHOULD ARISE AND IN CASE
OF DEFORMATION OF ELEMENTS, VIBRATION, TERMINATION OF AIR
SUPPLY/ EXTRACTION OR REDUCED SYSTEM PERFORMANCE,
IMMEDIATELY DISCONNECT THE UNIT FROM POWER SUPPLY AND
CONTACT THE SELLER FOR THE VENTILATION SYSTEM DIAGNOSTICS.
DIAGNOSTICS MUST BE CARRIED OUT BY QUALIFIED SPECIALISTS.