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11 Troubleshooting
Before requesting service, check the following items.
Do not attempt to service the Web Interface by yourself. Doing so can be dangerous.
Symptom
The Web Interface cannot detect a single
indoor unit. Or it can fi nd not all of them.
"Page not found" or "Page not displayed"
is displayed and you cannot log in.
"Communication error" is displayed during
Web operation.
Timer operation does not work.
A screen display is not automatically
updated.
When local remote control operation is
prohibited on the Web Interface, start/ stop
operation of air conditioners is disabled
because of failure in the Web Interface.
After the recovery from a power outage, the
equipment did not come on automatically
according to program timer settings.
(*) When timer operation is set to "Set" or "Cancel" , the timer operation indication on the remote
controller screen will be as shown below. Each time you click on "TIMER" , the setting will change from
"Set" to "Cancel" or vice versa.
• Click on the "Chk confi g. " button in the "Other
settings" screen.
Is the Web Interface On?
Is the LAN cable connected?
•
Is timer operation set to "Set"?
If timer operation is set to "Cancel" , timer operation
will not work even if a timer is selected. (*)
•
Are the current date and time correctly set?
If the current date and time are not correctly set,
operation can start at an unexpected time. (See "Date
and time setting" screen.)
The factory default for "Auto update intv." is "Invalid".
(Check the "WEB settings" screen.)
• Emergency operations until our service person
arrives: Power down the Web Interface and power the
indoor units down then back up again.
Operation with the local remote controllers will
become possible. This cannot be done in a remote
control-free system.
• The Web Interface does not power up equipment
automatically by program timer after a power outage.
The setting for the next programmed time will be
executed when the time arrives.
When timer is set to "Set"
When timer is set to "Cancel"
48
Cause
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