Omron FQM1-CM001 Troubleshooting Problems in Modules, 9-2-13Environmental Conditions Check

Troubleshooting Problems in Modules Section 9-3

9-2-13 Environmental Conditions Check

Environmental Conditions Check

Is the ambient	No
temperature below

55°C? Yes

Is the ambient	No
temperature above

0°C? Yes

Is the ambient	No
humidity between 10%
and 90%?
Yes
Is noise being	No
controlled?
Yes

Consider using a fan or air conditioner.

Consider using a heater.

Consider using an air conditioner.

Install surge suppressor or other noise-suppressing equipment at noise sources.

Is atmosphere

acceptable?

Yes

End

No (See note.)

Consider installing in a panel or improving the installation location.

Note Prevent exposure to corrosive gases, flammable gases, dust, dirt, salts, metal dust, direct sunlight, water, oils, and chemicals.

9-3	Troubleshooting Problems in Modules
Coordinator Module Errors
	Error condition	Probable cause	Remedy
The Power Supply Unit’s POWER indicator is not lit.		PCB short-circuited or dam-	Replace the Power Supply Unit.
		aged.
The RDY indicators on the Modules do not go ON.		The power supply line is faulty	Replace the Power Supply Unit.
The Coordinator Module’s RUN indicator does not go		An error in program is causing a	Correct program
ON.		fatal error
The Power Supply Unit’s RUN output* does not turn		Internal circuitry of Power Sup-	Replace the Power Supply Unit.
ON.		ply Unit is faulty.
The Coordinator Module’s RUN indicator is lit.
(*CJ1W-PA205R Power Supply Unit only)
Motion Control Module does not operate or does not		The I/O bus is faulty.	Replace the Motion Control
operate properly.			Module.
A particular I/O point does not operate.
Error occurs in 8-point or 16-point units.
A particular I/O point stays ON.
None of a particular Module’s I/O points will go ON.

256