Self Check - Mitsubishi Electric CITY MULTI PAR-21MAA Manual De Instalación

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7

Self check

Retrieve the error history of each unit using the remote controller.
1 Switch to the self check mode.
When the H [CHECK] button is pressed twice successively
within three seconds, the display shown below appears.
Self check address or self check refrigerant address
3 Self check result display <Error history> (For the contents of the error code, refer to the indoor unit installation manual or service handbook.)
Error code 4 digits or error code 2 digits
4 Error history reset
The error history is displayed in 3 Self check results display.
When the D [
MENU] button is pressed twice successively within three
seconds, the self check address or refrigerant address flashes.
5 Self check reset
There are the following two ways of resetting self check.
Press the H [CHECK] button twice successively within three seconds → Resets self check and returns to the state before self check.
Press the I [
ON/OFF] button → Self check resets and indoor units stop.
8
Remote Controller Check
1 First check the power mark.
When normal voltage (DC12V) is not applied to the remote controller,
the power mark goes off.
When the power mark is off, check the remote controller wiring and
the indoor unit.
2 Switch to the remote controller check mode.
When the H [CHECK] button is held down for five seconds or
longer, the display shown below appears.
3 Remote controller check result
When remote controller is normal
Since there is no problem at the remote controller, check for other causes.
When the problem is other than the checked remote controller
(Error code 2) "E3" "6833" "6832" flash → Cannot send
There is noise on the transmission line, or the indoor unit or another
remote controller is faulty. Check the transmission line and the other
remote controllers.
4 Remote controller check reset
When the H [CHECK] button is held down for five seconds or longer, remote controller check resets and the "PLEASE WAIT" and RUN lamp
flash. Approximately 30 seconds later, the remote controller returns to the state before remote controller check.
HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
Authorized representative in EU: MITSUBISHI ELECTRIC EUROPE B.V.
ERROR CODE
<When there is no error history>
ERROR CODE
ERROR CODE
(When operation is prohibited, this operation is ineffective.)
ERROR CODE
HARMAN HOUSE, 1 GEORGE STREET, UXBRIDGE, MIDDLESEX UB8 1QQ, U.K.
2 Set the address or refrigerant address No. you want to self check.
When the F [
TEMP. (
decreases and increases between 01 and 50 or 00 and 15. Set it to the
address No. or refrigerant address No. you want to self check.
Approximately three seconds after the change operation, the self check refrig-
erant address changes from flashing to a steady light and self check begins.
Address 3 digits or unit address No. 2 digits
<When opposite side does not exist>
ERROR CODE
ERROR CODE
When the error history was reset, the display shown below appears.
When error history reset failed, the error contents are displayed again.
ERROR CODE
When the air conditioner cannot be controlled from the remote controller,
use this function to check the remote controller.
Power mark
When the A [FILTER] button is pressed, remote controller check begins.
When remote controller is faulty
(Error display 1) "NG" flashes → Remote controller send/receive circuit abnormal
Remote controller switching is necessary.
(Error display 3) "ERC" and data error count are displayed → Data error generation
"Data error count" is the difference between the number of bits of remote controller
send data and the number of bits actually sent to the transmission line. In this
case, the send data was disturbed by the noise, etc. Check the transmission line.
When data error count is 02
Remote controller send data
Send data on transmission line
) and (
)] buttons are pressed, the address
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