Mitsubishi Electric LGH-15RX5 -E Instruction Manual page 83

• If you press a locked button, the "Locked" indication (at
display.
<How to Unlock the buttons>
1. While holding down the FILTER button 4, press and hold down the [
button 1 for 2 seconds-so that the "Locked" indication disappears from the
screen (at ).
1
Centrally Controlled
"CENTRAL" will be displayed when operation is locked in the centralized controller
or REMOTE is ON in Remote Input, and also during the external interlocking priority
mode (during interlocking, when the interlocking mode is "External Signal Priority.")
The following operations are locked:
• Clear Filter (only when the operation is prohibited by the centralized controller)
• ON/OFF (including timer operation)
Note:
May also be individually restricted.
When interlocked with external device
The Lossnay unit can be started and stopped by external equipment.
1
12.5 Servicing
<Flashing Error Codes>
Basic System
ERROR CODE
Unit No.
The contact telephone number will be displayed if CALL has been set. Pressing the CLEAR button
once will display the contact telephone number even when an error code is not displayed. See the
Installation Manual for the setup method.
● If the Operation lamp and error code are both flashing: This means that the Lossnay unit is out of order and operation has been stopped (and cannot resume). Take note of
the indicated unit number and error code, then switch off the power to the Lossnay unit and call your dealer or servicer.
1 ) will blink on the
1
1
2
Operation lamp
(Flashing)
Alternating Display
When the operation of Lossnay unit is started by external device,"INTERLOCKED"
1 is displayed on the remote controller display .
Timer mode is cancelled when the Lossnay unit is started by external device while
the operation start timer has been set, or when the Lossnay unit is stopped by
external device while the operation stop timer has been set.
• E xternal device interlocking is given priority over timer setting.
If delayed operation is set for the Lossnay unit, the interlocking start time will be
"After 0:30 hours" 2
display will decrement each minute.)
ON/OFF]
To set Ventilation mode, Fan Speed Selection, Timer Operation Lock
Settings are the same as for a single Lossnay unit. (see page C-79.)
12.4 Care and Maintenance
Cleaning of the
Lossnay unit's
filter*
(i.e., resetting the
total Lossnay-unit
operating time)
Cleaning the
Lossnay core*
Cleaning the
remote controller
● Clean, check and replace according to the Operation Manual provided with the
Lossnay unit.
* Factory default setting is for no remote controller.
M-NET System
. (Operation will start after 30 minutes, and thereafter the time
Button Display
Clean the air filter, Press the FILTER
button twice and confirm that the
"FILTER" "CLEANING" display turns
off.
(Displayed after every 3,000 hours of
cumulative operation time.)
Clean the Lossnay core, Press the
FILTER button twice and confirm that
the"CORE" "CLEANING" display
turns off. (Displayed after every
6,000 hours of cumulative Lossnay
ventilation time.)
To remove dirt from the remote controller's display window,
Use a mild detergent on slightly damp cloth, wipe with a dry
cloth to remove any detergent residue.
• P aint thinner, alcohol, benzene, gasoline, kerosene, spray
cleaner, cleaning alkali, etc.
ERROR CODE
Unit address No.
Unit No.
Alternating Display
Sequence
Operation lamp
(Flashing)
C-83