Holmatro EHW 1650 RC Mode D'emploi page 31

7 Troubleshooting
7.1 General
Consult the Holmatro dealer if the listed solutions do not give the desired result, or in case of other
problems. For malfunctions or repair, always specify the model and serial number of the equipment.
7.2 The couplers do not connect or disconnect
/i
Possible cause
There is pressure in the system.
The couplers are dirty on the front.
The tool and/or hose are under pressure.
The pump is under pressure.
The female coupler is faulty.
The couplers are not placed properly in line with
each other for connecting.
The couplers are not properly placed in line with
each other for disconnecting.
7.3 The couplers do not stay connected
/i
Possible cause
The locking mechanism in the female coupler does
not work.
The female coupler is faulty.
7.4 The motor is not running
/i
Possible cause
The electric cable is not connected.
The electric cable or the connecting plug is faulty. Have it repaired by a licensed electrician.
The group fuse is faulty.
The carbon brushes are worn.
The motor is defective.
EHW
All manuals and user guides at all-guides.com
916.219.569_001
Solution
Depressurize the system by pressing the "OFF"
button on the pump. Refer to chapter 5.5.
Clean the couplers.
Use the pressure relief tool to release the
pressure. Refer to chapter 5.4.
Depressurize the system by pressing the "OFF"
button on the pump. Refer to chapter 5.5.
Have it repaired by a Holmatro Certified
Technician.
Position both couplers properly in line with each
other and press them together in one smooth
action.
Support and guide the male coupler when
disconnecting.
Solution
• Clean the female coupler with clean running
water.
• Dry it and treat the inside of the external ring
with preservative oil.
• Place and remove the dust cap or male
coupler repeatedly until the external ring
springs back.
Have it repaired by a Holmatro Certified
Technician.
Solution
Connect the electric cable.
Replace the group fuse.
Replace the carbon brushes.
Contact the Holmatro dealer.
EN
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