Manual Ferm GRM1003 - FHR 100A (page 7 of 48) (All languages)

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Nozzle worn

Supply voltage below r equired minimum

Voltage loss due to use of extension cable of

inadequate cr oss-section or excessive length

High pressur e system or pump hydraulic

circuit not watertight

POSSIBLE CAUSES

REMEDIES

TROUBLESHOOTING

PROBLEM

The motor buzzes but fails to start

Motor does not start

Excess noise

Oil leaks

Power cable damaged

Water filter fouled

Water supply pr essur e low

Air being sucked into the system

Air in pump

Adjustable nozzle positioned wr ongly

Water suction from external tank

Water temperature too high

Nozzle clogged

Worn seals

No electrical power

High pressur e cleaner in disuse for long

time

Problems with TSS device

Replace nozzle

Clean filter

Pull adjustable nozzle back (+)

Connect cleaner to mains water supply

Check the voltage of the mains supply line

High pressur e cleaner in disuse for long

time

The pump does not operate at the prescribed pressure

Sudden changes in pump pressure

Water leakages

For TSS MODELS ONLY: Motor starts even though the trigger is released

For TSS MODELS ONLY: No water when lever is operated (when supply hose is connected)

Turn on the water supply tap fully

Check that hose fittings are tight

Switch off the cleaner and operate the gun until a steady-

flow of water is obtained. Then switch cleaner back on

Reduce temperature

Disconnect power supply, discharge pressure and

clean with tool provided

Have seals replaced by an authorised servicecentre

Check that the plug is firmly in the socket and that

mains power is present. See also (§)

Consult instructions regarding extension cables

Release motor with a screwdriver, working

throughrear hole

(for models with this feature)

(fig. 6B)

Contact nearest service centre

§ If the motor stops and fails to restart, wait-2-3 minutes before restarting (OVERLOAD CUTOUT TRIPPED).

If thisfault occurs more than once, contact your service centre.

Ferm 7

    .

-  .

     

   .

-  .

      

       .

-  .

    /   

 .

-   

.

     

     .

-  .

    

      

.

-  .

     

 .

-  .

     

    , 

 ,  

.    

      

,    

    .

-  .

     

   .

-   

 .

     

   .

-  .

     

.

-  .

    

    .

     



-  .

      

    .

-  .

     

    

.

•      

  (R.C.C.B.) 

    (30 mA).

-  .

      

     

 ,    

   .

-    .

      

,   .

-  .

   , 

      

.

-  .

     

  .   

 DIN 1988,   

     

     

      

    

 .

-  .

  /   

     

 .

-  .

    

    

 .

-  .

    ,

       

       

 .

-    .

  

     

     

/   .

-  .

       

      

 15 .

 

      

   . 

    ,  

        

  .

90 Ferm

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Ferm GRM1003 - FHR 100A Manual

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