Troubleshooting - Carrier AQUASNAP Installationsanweisung

Remote controller
wiring diagrams and troubleshooting
Single-phase unit / three-phase unit with accessory remote control
30Ra017-033

0 V 24 V
3 4
 Unit electrical panel
 Electronic board connectors
 Remote control

troubleshooting

Symptom
LED fault 1) miswiring of the 24 volt power
to remote controller control.
2) Power not online
3) No 24 volt supply to terminal block.
24 volts applied to
1) The remote controller is damaged.
remote controller at the
correct terminals but
unit does not operate

30 31 32 33 64 74
1 2 5 6 7 8

Possible cause

0 V 24 V
3 4
 Unit electrical panel
 Electronic board connectors
 Remote control
action required
1) Verify that 30RA/30RH unit is connected to the
proper terminals of the controller.
Reference Installation cable paragraph for correct con-
nections
1) Check that the unit main power is connected.
1) Check the 0-24 connection on the terminal block
in the 30RA/30RH unit.
E N G L I S H
30RH017-033

30 31 32 33 64 74
1 2 5 6 7

Solution
After disconnecting the power,
correct the wiring problem and
restart the power.
After verifying the wiring to the
remote controller, restart the
unit power.
After disconnecting the power,
correct the wiring problem and
restart the power.
Change the remote
controller and restart the
power.
8
GB - 5