Carrier 42GW 200 Manual De Instalación página 38

NTC Control
Operation of STATUS and CCN leds
Alarm Description of alarm (60msec on, 60msec off if not otherwise indicated)
ND Unit not fed or card not powered because of failure
ND Card fed but microprocessor not active or broken
ND Card is working without application software or Bootloader is initialised
(normally at start-up for a few seconds)
ALARM 1 The RAT sensor detects an out-of-range value for 192 consecutive seconds
ALARM 2 The changeover sensor detects an out-of-range value for 192 consecutive seconds
The Supply Air sensor detects an out-of-range value for 192 consecutive seconds
ALARM 4 The Air sensor of SUI remote control detects an out-of-range value for at least
192 consecutive seconds
ALARM 5 CO2 sensor (if any) detects a value lower than 300ppm (15%) for at least
192 consecutive seconds
ALARM 6 Incorrect operation of the condensate drainage pump (if any)
The contact is open for 10 consecutive minutes
The contact is still active after the 4
ALARM 7 UV lamp (if any) not working
ALARM 8 Communication error with a remote control (CRC2, ZUI)
if failure after 3 consecutive communication attempts
Communication error with Master unit
If "temperature check" message is not received within more than 10 minutes
ALARM 10 Communication error with Leader unit
If "temperature check" message is not received within more than 10 minutes
ALARM 11 CO2Tvoc reading error
If no Co2Tvoc reading is received by the Leader unit within more than 10 minutes
ALARM 12 Communication error with Master Zonig
If no Zoning value is received by the Master within more than 10 minutes
Maintenance required
ALARM 14 EEprom error
If checksum is wrong
ALARM 15 Electric heaters (if any) error
for 10 consecutive minutes
Or
for 5 consecutive seconds
ALARM 16
ALARM 17 ALARM 1 or ALARM 2 or ALARM 3 or ALARM 4 or ALARM 5 or... ALARM 15
If the "Summary Alarm Enable" decision indicated in table ALRMDEF is correct,
will be "Summary Alarm – Alarm Status XX"
ALARM XX The card is not working correctly
36 42 GW
th
reading
Pulse
Always off
Always on
On for 800ms
off for
200ms (1 HZ)
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