Remote Controller Check - Mitsubishi Electric PEH-RP250MYA Installation Manual

3 Self check result display <Error history> (For the contents of the error code, refer to 13. Troubleshooting, error code list.)
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 sec-
onds, 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.
ON/OFF] button → Self check resets and indoor units stop.
Press the I [

11.4. Remote controller check

If operation cannot be carried out from the remote controller, use this function to diagnose the remote controller.
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 dis-
play 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 con-
troller 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.
18
ERROR CODE
<When there is no error history>
ERROR CODE
ERROR CODE
(When operation is prohibited, this operation is ineffective.)
ERROR CODE
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
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