Cumulative Operation Time (Or Distribution Ratio) Is Counted Even Though The Unit Has Not Been Operating; Cannot Back Up Or Restore To Usb Memory Device (Button Is Greyed Out And Cannot Be Pressed) - Panasonic CZ-256ESMC3 Technical Data Manual

Fault diagnosis

2-7. Cumulative operation time (or distribution ratio) is counted even though the unit has not been operating

1. Intelligent Controller 1-1 Is the cumulative time zero? (Distribution ratio is counted)
1-2 Did you not operate the unit but "forgot to stop it"?
1-3 Did the schedule timer or event control work?
1-4 Is there evidence of forced operation of an indoor unit from a
1-5 When performing time slot integration, is the displayed
1-6 (When using time slot distribution)
1-7 (When using time slot distribution)
* 1 In the Load Distribution mode, standby power is distributed even without operation.
* 2 Avoid setting the OFF timer within about 10 minutes before the time slot switching time.

2-8. Cannot back up or restore to USB memory device (button is greyed out and cannot be pressed)

1. USB memory 1-1 Is the USB memory device properly inserted in the specified
device*
1-2 Is backup or restoration also impossible with another USB
1-3 Replace the Intelligent Controller.
* USB memory device specifications
Precautions for use
(Remote controller, other centralised equipment, external
input, and so on)
PC or the like during repair service or maintenance?
time slot selection correct? (RglHour (RglHour 1 to 8) /
OutOfHours / SpcfdDay / AllHours)
Are the timer settings and distribution specified day settings
correct?
Is an OFF timer set at the same time as or close to the
switching of the time slot?
place?
memory device?
Standard type (USB 2.0)
Capacity: 4 GB or more
· Even if the USB memory device matches the above specifications, operation is not guaranteed.
· USB memory device with encryption function (with security software) cannot be used.
2. Screen display related
ー 9 ー
Yes *1
No 1-2
Yes (END)
No 1-3
Yes (END)
No 1-4
Yes (END)
No 1-5
Yes 1-6
No Select the
correct time slot
Yes 1-7
No Modify settings
Yes Modify settings
*2
No
Yes 1-2
No Insert it
Yes 1-3
No (END)