Troubleshooting - Airwell DLS VAV SYSTEM Manuel D'installation Et D'utilisation

Troubleshooting

Problem
1
There is demand for Cooling or
Heating at one of the rooms but
the air condition unit don't start?
2
No demand at all rooms or all
remote controllers are OFF but
the Air condition do not stop
operation?
3
Channel LED at the VAV SYSTEM
controller is OFF
4
Motor LED at the Mini Max is
OFF
5
At All I/R receivers the LED's
blinking.
6
Fan Motor speed changed to
LOW.
7
I/R receiver LED do not turn ON.
8
I/R receiver is ON but the Damper/
Grill do not open.
9
Damper or Grill do not Open or
Close
10
Bypass damper to not operate.
11
Damper or Grill is Open but the
remote control calls for Close.
Solution
‹ At the Air condition operation panel Check that
it's turned ON.
‹ Check that the demand at the room is same as
at the air condition.
(Cool – Cool or Heat – Heat)
Check that all rooms are closed.
‹ Check connection of the cable between the Air
condition I/R receiver and the VAV SYSTEM
controller.
‹ Check connection of the cable between the
VAV SYSTEM controller to the Air condition
controller.
It is normal situation when damper / Grill or I/R
receiver is not connected to the channel.
‹ Indication that motor is not connected to the
controller.
‹ RJ45 cable is damaged.
Indicate that the VAV SYSTEM system is not
connected to the Air condition.
Normal operation in minimal demand , a situation
when only one damper is open.
‹ Check connection of the RJ11 cable to the
motor.
‹ Check connection of motor to the controller.
Check the remote control has demand according to
the air condition mode of operation.
‹ Check the Remote control ID address or set
address to 00.
‹ Check for cross connection between I/R receiver
at one channel to the motor of an other channel
at each room. I/R receiver and motor of each
room must be connected.
Check the cable connection between the Bypass
motor and the VAV SYSTEM controller.
Check for eye sight between the remote control and
the I/R receiver. If there is no eye sight, the damper
will open to 2/3 position after 30 minutes.
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