Energy Management Troubleshooting - Mitsubishi Electric AE-200A Service Handbook

[V Troubleshooting]

[7] Energy management troubleshooting

The following shows troubleshooting for energy management
* Before carrying out troubleshooting, check whether or not the energy management settings have been configured.
1
Are the external temperature sensor settings configured?
2 Is apportioning mode of the indoor unit set?
3 Are the settings of the apportioning source electricity meter of the indoor unit
configured?
* For the setting procedures, refer to the Instruction Book (Web Browser for Initial Settings).
→ If "No" was answered for any of the above, the cause is likely to be that item. First remove that cause.
Symptom
Bar graphs and line graphs
are not displayed.
1
The target values are not
displayed.
2
[OK] cannot be pressed
3 after setting the target
values.
Item
Cause
1) There are required items for display that is not set.
2) There was a power failure so management data does not exist for that period.
3) The data is damaged.
Check method and process
Are setting fields
empty in the screen
of the pressed display
selection button?
No
Did a power failure
occur?
No
The AE-200/AE-50/EW-50 may be broken.
1) The display unit is other than
"Block."
2) The target values are not set.
3) The settings of the apportioning
source electricity meter of the
indoor unit are not configured.
The total of the percentages is not
100%.
Check procedure and remedy
Yes
Select the button of the empty fields and
configure the settings.
Yes
There is no failure.
Energy management data cannot be collected during a
power failure.
Check causes 1) to 3). Take the measure corresponding to the
cause.
Cause 1) Touch [Display switching] to change the display unit to
[Block].
Cause 2) Go to the [Energy Mgmt] - [Target value] screen and
set the target values.
For details, refer to Instruction Book.
Cause 3) Select the electricity meter in [Indoor unit electricity
meter] of the Energy Management Settings screen of
Web Browser for Initial Settings.
Adjust the percentages based on the red indication at the bottom of
the setting screen.
80
Yes No