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11-2.Other Problems
Local remote control does not work.
No.
1
The key lock is set.
Air conditioners do not operate according to made settings (for
example, on/off). Settings are restored to the previous ones over
time.
No.
1
Communication with the air conditioners is not normal. Check whether a communication error with the air conditioners was detected.
2
The indoor unit is set as a follower.
3
Setting the temperature range for air conditioners
4
The address was changed with the remote control or
the wrong centralized control address was set by the
centralized controller.
Set temperature changes erratically.
No.
The set temperature has been changed from the local
1
remote control or another controller.
An alarm code apart from C06 is displayed in the air conditioning
control system screen.
No.
1
Alarms detected in the air conditioners
11-3.Installation Problems
The controller LCD Screen Display is incorrect.
No.
All air conditioners are not connected or are not turned
1
on.
20
Cause
Cause
Cause
Cause
Cause
Check that the "Key lock" is set with the centralized controller.
If you want to cancel it, change the "Key lock" setting to "All allowed" with the
centralized controller.
Change the setting so that the air conditioner header settings match.
Temperatures set outside of the set temperature range are set to the high
limit or low limit within the set temperature range.
Re-acquire the address and reset the address to the correct one.
Check whether the air conditioner has been operated from the local remote
control or another controller.
Check the error indicator on the remote control or SMMS series outdoor unit
board.
Identify the failure location or check the components and wiring as described
in the maintenance guide for the specific air conditioner.
When an attempt is made to obtain an address and it is not possible to
communicate with a single air conditioner, the message "No connected
indoor unit" is displayed. Check the power supply of the air conditioners or
communication wiring.
Support
Support
Support
Support
Support
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