Dantherm HCV7 - Error list

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Error list
Introduction
Errors are indicated by the LED, placed below the filter reset button.
If this LED is flashing slowly with a orange color, please exchange the air filters. See
section “Replace filters” at page 33
LED readings
Software <2.0
If this LED is red, it indicates an operation error. This red LED can indicate three differ-
ent levels of errors:
LED state
Description
Flashing slowly
 Bypass damper fail
 T3/T4 internal temperature sensor fail
Flashing rapidly
 Internal fan failure
 Supply temperature is <+5°C
 External fire alarm activated
 Any internal sensor is measuring a temperature >70°C
Always on
 T1/T2 temperature sensor defective
LED readings
Software ≧2.0
If this LED is flashing red, it indicates an operation error. The LED will flash a number of
times that equals the corresponding error code, followed by a pause of five seconds,
before restarting the counting again. The error code counts, corresponds to the below
following errors:
Flash
Count
Error number
Remote control
Error
1
E 1
Exhaust air fan
2
E 2
Supply air fan
3
E 3
By-pass damper
4
E 4
Extract air temperature sensor (T1)
5
E 5
Supply air temperature sensor (T2)
6
E 6
Extract air temperature sensor (T3)
7
E 7
Exhaust air temperature sensor (T4)
8
E 8
Room air temperature sensor (T5)
9
E 9
Humidity sensor, RH% (Accessory)
10
E 10
Outdoor temperature < -13 °C
11
E 11
Supply temperature < +5 °C
12
E 12
Fire alarm, any one of the internal sensor, is measuring
a temperature > 70 °C.
13
E 13
Communication error / low signal
14
E 14
Fire alarm, duct connected fire thermostat (Accessory)
15
E 15
VOC sensor fail (Accessory)
Continued overleaf