Graco 3A1705J Dadx MCM Alarm, DE0X MCM Alarm, F9DX MCM Alarm, H1MH, H4MH, K8NM MCM Alarm, L1BX

Troubleshooting
Error	Error	Type	Name	Cause	Solution
Code	Location
DADX	MCM	ALARM	Pump Runaway	Flow rate is too large	Mix chamber too large for
					system selected. Use mix
					chamber rated for system.
					Ensure the system has
					chemical and the feed
					pumps are operating
					correctly.
					No material in pumps.
					Verify pumps are
					supplying chemical. If
					necessary, replace or refill
					drums.
					Inlet ball valves are closed.
					Open ball valves.
DE0X	MCM	ALARM	Pump Cycle	Faulty or missing cycle	Check wiring between
			Switch Fault	switch.	cycle switch and MCM
					port 6.
F9DX	MCM	ALARM	Pressure Flow	Mix chamber is too	Reference the pressure
			Cutback	large for the set	flow curves and select a
				pressure.	tip size that is the correct
					size for the set pressure.
					See Performance Charts,
					page 99.
H1MH	Hose	ALARM	Low Line	Line frequency is below	Check frequency. If
			Frequency	55 Hz.	out of tolerance, see
					supplied 120/240V
					alternator manual for
					repair instructions.
H4MH	Hose	ALARM	High Line	Line frequency is above	Check frequency. If
			Frequency	65 Hz.	out of tolerance, see
					supplied 120/240V
					alternator manual for
					repair instructions.
K8NM	MCM	ALARM	Locked Rotor	Locked rotor.	Replace motor. See
					system repair manual.
				Chemical pump is	Repair or replace pump.
				stuck.	See system repair manual.
L1AX	ADM	ALARM	Low Chemical	Tanks low on material.	Fill tanks with material.
			Level A
L1BX			Low Chemical
			Level B

78 3A1705J