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VR 250 ECH/B
Operation and maintenance instructions
206610 (16-11-2010)
10
Systemair
AB
GB
6. Alarms
Lamps flash/go out as follows:
Lamps
1=Flashing
0=Off
Lamp no: See page 4
6
7
8
11
12
14
Short circuit or breach in sensor(s)
1
1
1
1
Unintended rotor stop (belt breakage, defective motor)
1
1
Missing zero crossing detector
1
1
Voltage too low (< 210 V).
Lamps 6, 7 and 8 are flashing in accordance with set inlet air
temperatures (see Operation)
(1) (1) (1)
1
The re-heater battery is switched off due to overheating
1
1
1
The re-heater battery is switched off by the fire thermostat
0
0
0
0
Service
Before calling your service representative, make a note of
the item no.(pos 1, fig11) and production
number (pos. 2, fig. 11) from the type label, which can be found behind the inspection hatch
.
1
2
