Daikin DZK Series, Installation Manual

Page: 47 / 56

47
Installation Manual
Rev. 2.00 Date 01-2019
TROUBLESHOOTING
ERRORS IN WIRED AND WIRELESS THERMOSTATS
0B
Error 1 (Wired Thermostat) - Communication error with the DZK Control Board
This incident blocks the control of the zone. Check this error is not common to all thermostats. If so,
verify the proper operation of the DZK Control Board. To solve this incident check:
1 DZK Control Board status: Correctly powered.
2
DZK Control Board status: Expansion bus LEDs are operating properly (see section Zoning box
control board auto diagnosis ).
3
Connection: Verify the polarity of the DZK Control Board and thermostat connectors.
4 Wiring: Check that the voltage between the poles (A/ -) and (B/ -) is correct (1.8 Vdc).
5
Restart the zone and re-associate it with the system: Press on Reset to restart the device. If the
error persists, press and hold on and reset the thermostat.
6
Restart system: If the system is restarted, this error may be displayed in the thermostats at the
beginning of the process. This message should disappear after around 30 seconds.
1B
Error 1 (Wireless Thermostat) -
Communication error with the DZK Control Board
This incident blocks the control of the zone. Check this error is not common to all thermostats. If so,
verify the proper operation of the DZK Control Board. To solve this incident check:
1
Thermostat status: Check the signal range of the thermostat. Move the thermostat closer to the
DZK Control Board. If that way the communications are reestablished, it means it is necessary to
relocate it permanently as it was out of range.
2
DZK Control Board status: Correctly powered.
3
DZK Control Board status: Proper operation of the LED of wireless communication (see section
Zoning box control board auto diagnosis ).