Mitsubishi MN Converter Troubleshooting?, Trouble When Installing or Starting, Cause, Repair

7	Troubleshooting?
Trouble When Installing or Starting
Trouble		Cause	Repair
Cannot install.		Install CD-ROM not properly positioned.	Properly position Install CD-ROM.
Cannot start application.		Insufficient memory.	End other applications.
		OS is not an English version.	Regional options setup, changing into
			English area form. Or after changing date
			separator into [/], time separator into [:],
			and a decimal point mark is changed into
			[.], it tries. (Refer to 1.2.1 *1)
The message of ”Can’t Connect to G50”		The IP address of G-50A or PC is	Input the correct address.
is displayed at on-line starting.		incorrect.
		LAN cable is not connected.	Connect securely LAN cable between
			G-50A/HUB/PC.
The message of ”Maintenance Tool can’t		The S/W version of G-50A is older than	The maintenance tools can not be
connect to old version G50! Use G-50		Ver2.40.	connected to the older version of G-50A
upper version2.40!” is displayed at the			than Ver2.40. Use the new version
on-line starting.			G-50A.
			(Recommended Ver2.50 or more )
			To use the E-mail connection mode, the
			version of G-50 should be above 2.60.
The message “M-Net interface board not		-RS-232C cable and MN converter are	A cross type RS-232C cable is being
connected” appears.		not connected.	used. Make sure MN converter and PC
		-A straight type RS-232C cable is being	are properly connected.
		used.	(Refer to Operator's Manual for the MN
			converter.)
		MN converter is not turned on.	Connect the MN converter and the air
			conditioning unit to the M-Net
			transmission line.
			(Refer to the Operator's Manual for the
			MN Converter)
A message of " Monitor data size is very		The memory capacity to store data is	Move to Offline Screen, and delete
large!! Please, delete old monitor data!!" is		insufficient.	unnecessary data.
displayed at starting.
A message of " Maintenance Tool can’t		The license registration has not been	Purchase the license No., and register the
connect to this G-50! Because, this G-50		done for G-50.	license for G-50.
is not licensed!!" is displayed at starting
under the online mode.
A message of " The term of validity of the		The term of validity of the installed version	It upgrades. Please upgrade periodically
installed version went out.!!" is displayed		went out.
at starting.
Maintenance tool does not start.
Trouble with Main Screen
Trouble		Cause	Repair
Cannot select function selection buttons.		Collecting data about individual units	Can be used when communication with all
		using manual search. (Unit is	the units selected by manual search have
		communicating.)	completed communication.
A[**]appears in the unit address button		-No response from that unit.	Wait a moment and then click on the
for an existing unit.		-Attributes cannot be known due to	address button for the same unit again.
		communication error.

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