Getting Acquainted with your Heavy Duty Pressure Washer
MERLION PLUS - E500
STD04
Page 12 of 50
Starting up Issues / Troubleshooting
During initial start, machine and water supply is turn on however the pump does not produce any
water due to the pump is not primed and is running dry because the valves are stuck. (i.e. Pump
inactivity or prolong shipment). This would result in a phenomenon called “Sticky Valve”.
Troubleshooting procedure as below:
Step 1
Fill up water tank with water till low-level switch is at
OFF
position.
Step 2
Direct the water supply into the pump inlet from the water tank. Water pressure supplied to the
inlet to be about min.
1-2
bar.
Step 3
Turn on machine and water supply and let water flow
into the inlet port for about
4-5
sec. Once a smooth
flow of water is observed from the pump outlet, sticky
valve issue resolved.
Turn off machine and reconnect H.P hose and resume
blasting.
If problem still exist and water is not seen flowing from the outlet, manually
inspect all valve by unfastening all valve plug. Ensure the spring of the valve is not
jammed and apply small amount of liquid lubricant to prevent jamming. Refer to
pump service instruction on valve removal and servicing.
OFF Position
Water Supply
Pump Inlet Port
NOTE
