9.4 Trouble shooting
A warning triangle with text in the display indicates an alarm. Turn menu selector to the warning triangle
and press confirm twice to view the alarm.
If problems should occur, please check the items below before calling your service representative.
Malfunction
Action
Fans do not start
1. Check the display for alarms.
2. Check that all fuses and fast couplings are connected (mains supply and
fast couplings for supply and extract air fans).
3. Check that the week program is in ON mode. The week program might be
in OFF mode with the fan speed set to OFF (chapter 6.6)
4. Check if one of the digital inputs 1–3 (DI 1–3) is active and set to off. This
would force one or both fans to stop depending on the setup (chapter 8.5).
Reduced airflow
1. Check the display for alarms.
2. Check setting of fan speed in the control panel (chapter 6.1.1).
3. Check week program (chapter 6.6).
4. Check if one of the digital inputs 1–3 (DI 1–3) is active and set to off. This
would force one or both fans to stop depending on the setup (chapter 8.5).
5. Check filters. Change of filters required?
6. Check diffusers/louvres. Cleaning of diffusers/louvres required?
7. Check fans and heat exchange block. Cleaning required?
8. Check if the buildings air intake and roof unit (exhaust) have been clogged.
9. Check visible duct runs for damage and/or build up of dust/pollution.
10.Check diffuser/louvre openings.
The unit cannot be
controlled
(control functions are
stuck)
1. Reset control functions by pulling out the plug for 20-30 seconds.
2. Check the modular contact connection between the control panel and
the main print card.
SAVE VSR 300/500
Installation and Service
208115
38
Systemair AB
Summary of Contents for SAVE VSR 300
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