Graco 3A1705J MBN0 MCM Advi, Sory, Mmux USB Advi, P4AX MCM Alarm, P4BX, P6AX MCM Alarm, P6BX

					Troubleshooting
Error	Error	Type	Name	Cause	Solution
Code	Location
MBN0	MCM	ADVI-	Motor Brush	Brushes have worn	Replace Brushes. See
		SORY	Wear	down and need	system repair manual.
				replacing.
MMUX	USB	ADVI-	USB Log Full	USB logs have reached	Use a USB drive and
		SORY		a level were data loss	download all logs.
				will occur if logs are not
				downloaded.
P4AX	MCM	ALARM	Over Pressure A	System pressurized	Turn on the heat and allow
P4BX			Over Pressure B	before allowing heat to	the hose to reach the
				reach setpoint.	setpoint before turning on
					the pumps.
				Bad pressure	Verify the ADM pressure
				transducer.	reading the analog gauges
					at the manifold. Replace
					transducers if they do not
					match. See system repair
					manual.
				E-XP2i system	Ensure rotary switch on
				configured as E-30i.	MCM is set to position 0
					for E-30i.
P6AX	MCM	ALARM	Pressure	Loose/bad connection.	Check to ensure the
P6BX			Transducer		pressure transducer is
			Fault A		properly installed and
			Pressure		all wires are properly
					connected.
			Transducer
				Bad sensor.	Check if the error
			Fault B
					follows the transducer.
					Disconnect transducer
					cable from #8 and #9
					connectors on MCM.
					Reverse A and B
					connections and check
					if the error follows. If
					the error follows the
					transducer, replace the
					pressure transducer. See
					system repair manual. If
					the error does not follow,
					replace MCM. See system
					repair manual.

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