IPC OPTIMA DS 145M Bedienungsanleitung

Service Manual

Rev.1.0 January 2014

OPTIMA DS

145M - 175T - 195T

Pag. 2

Service Manual

INDEX

1. The machine doesn’t starts Pag.

1a No electrical connection 4

1b Electric motor’s overload relay tripping or burnt fuses 4

1c Low voltage transformer burnt 11

1d Contactor not working 11

2. No water jet at the lance nozzle Pag.

2a Bad or missing water feeding connection 14

2b Inlet water filter clogged 14

2c Air intake from the water feeding circuit 15

2d Pump head’s valves stuck 15

2e Air intake from the detergent circuit 17

2f High pressure nozzle clogged 18

3. No pressure to the lance Pag.

3a Defective water feeding connection 19

3b Inlet water filter clogged 19

3c Air intake from the water feeding circuit 19

3d Pump head’s valves stuck or worn 19

3e Air intake from the detergent circuit 20

3f High pressure nozzle worn or deformed 20

3g Pressure adjusting valve setting at minimum position 21

3h Seat of pressure adjusting valve damaged 21

3i Pump gaskets worn or water leaks from the pump’s head 24

Ip Cleaning S.p.A.

Viale Treviso, 63 –30026 Summaga di Portogruaro –VENICE –ITALY

Tel. +39 0421 205511 (r.a.) –Fax +39 0421 204227

Internet address: www.ipcportotecnica.com

e-mail address: infoipcportotecnica@ipcleaning.com

Pag. 3

4. The boiler doesn’t ignite Pag.

4a Wrong blower’s motor rotation sense (only for Three-phase models) 27

4b Missing fuel 27

4c Suction pipe and/or, fuel filers clogged 27

4d Fuel pump out of order 28

4e Fuel solenoid not electrically supplied or defective or damaged 30

4f Fuel nozzle clogged or spraying irregularly 30

4g High voltage ignition transformer not functioning 31

4h Sparking plugs are dirt or worn 31

5. Bad fuel combustion Pag.

5a Fuel tank almost empty 32

5b Suction pipe and/or, fuel filers clogged 32

5c Fuel pump pressure setting not properly adjusted 32

5d Fuel with impurities, dirt or water 32

5e Combustion adjustment incorrect 32

5f Burner’s coil clogged by dirt or soot 34

5g Fuel nozzle partially clogged 35

6. Poor hot water temperature at the machine outlet Pag.

6a Thermostat adjusted at minimum or not working 36

6b Fuel filters clogged or dirty 36

6c Fuel pump pressure setting not properly adjusted 36

6d Fuel with impurities, dirt or water 36

6e Fuel nozzle partially clogged 36

6f Burner’s coil pipe internally clogged by limestone 36

7. Poor detergent delivery Pag.

7a Detergent’s tap closed or clogged 37

7b Empty detergent tank 37

7c The check valve of the detergent circuit is stuck or clogged 37

7d Burner’s coil or high pressure outlet pipes clogged 37

8. Oil and water emulsion phenomena to the high pressure pump oil Pag.

8a Extremely high environment humidity percentage 38

8b High pressure pump gaskets worn 38

8c High pressure pump pistons damaged 39

Pag. 4

1. The machine doesn’t start

1) TROUBLE: Rotating the main switch “0 - I” (A) the high pressure cleaner doesn’t start or

suddenly stops after a while.

fig. 1

CAUSES: 1a No electrical connection

1b Electric motor’s overload relay tripping or burnt fuses

1c Low voltage transformer burnt

1d Contactor not working

REMEDIES:

1a Check the power supply voltage using a “multimeter”. This machine’s power supply

characteristics are indicated on the machine data plate placed on the side of its chassis.

For single-phase models, the allowed voltage tolerance is +/- 5% of nominal voltage shown in the

machine’s data plate; for three-phase models the allowed voltage tolerance is +/- 10%.

If the voltage is over or lower than above mentioned tolerance, the machine’s electric

components may become damaged.

Pay maximum attention while checking electric component: danger of electric shocks.

1b Pay maximum attention: danger of electric shocks.

Disconnect the machine from the power supply before open the electric box, hence:

- check using a multimeter, the conductivity of the main switch contacts, rotate the switch's knob

to position “I” and in case of problems, replace the switch with a new component.

To open the electric box, proceed as following described:

Pag. 5

1) Remove the machine cover 2) unscrew and dismount the tank inserts

3) slide out the tank inserts 4) unlink the hook that hold electric box panel

5) unlink the side hinges and open the el. box 6) check the main switch contacts continuity using a

multimeter

7) rotate the switch's knob to position “I” for check

Pag. 6

For single-phase models, reset the overload switch pressing its button; for three-phase models,

reset the thermal relay.

- If the thermal overload protection intervenes very quickly just after switched on, the cause may

be a short circuit problem, hence check connecting the electric components one by one following

the electric diagram in order to identify which is defective, then replace it with a new component.

Pag. 7

Single phase version

On which:

IG = Main switch

DA= Thermal overload switch

K = Contactor

C = Electric motor capacitor

M = Electric motor

F = Fuse

TR= Low voltage transformer

TA = High voltage ignition transformer

TH = Water temperature adjustable thermostat

P1 = Pressure-switch N on

P2 = Pressure-switch N off

EC = PCboard

EV = Solenoid of fuel pump

PA= Antiscale pump

Pag. 8

Three phase version

On which:

IG = Main switch

K = Contactor

RT= Thermal relay

M = Electric motor

F = Fuse

TR = Low voltage transformer

TA = High voltage ignition transformer

TH = Water temperature adjustable thermostat

P1 = Pressure-switch N on

P2 = Pressure-switch N off

EC = PCboard

EV = Solenoid of fuel pump

PA= Antiscale pump

Pag. 9

ELECTRONIC BOARD (p.n.MECE48580)

Functions description

The electronic board operates machine total-stop; no water system; micro-leakages system;

boiler start delay; antiscale pump.

Delayed Total stop 15” (P1 off ;P2 off between terminals n° 12-13)

After 15 "from the end of the grip, the K contactor is de-energized. The machine is in

stand-by mode, restarts by opening the grip.

Machine without water or water leak from the high pressure circuit (P1on ; P2off)

In this condition activates the count of 3 min and after this the machine stop.

To restart the machine you must reset the circuit board by opening and closing the main

switch IG.

Micro-leakages (P1 ;P2 on-off impulse <1,5”) or lance nozze partially clogged

After 10 impulses P1, P2 <1.5 " the contactor K is de-energized. The count is reset with

impulse P2> 3 ".

To restart the machine you must reset the circuit board by opening and closing the main

switch IG.

Delay fuel pump EV

The solenoid valve EV is powered with main switch IG in position II (hot water), P2 on> 3

" and thermostat TH on. The ignition is delayed of 3 "on each impulse of P2 (OFF - ON).

Setting antiscale pump flow

Min position (-) 4 impulses/min → pump flow 70 ml/h

Max position (+) 16 impulses/min → pump flow 300 ml/h

With machine in t-stop mode the antiscale pump is off.

Pag. 10

- In case the overload thermal switch intervenes after a while, is necessary to check the machine

Amperage with the machine operating at full load by a Amp clamp meter and compare the

measurement done with the characteristics indicated in the machine’s data plate. Adjust the

thermal relay RT in relation at the machine Amperage measured.

The above instruction is valid for three-phase models.

Check the Amperage with a Amp clamp meter

- On single-phase models, reset the overload thermal switch or replace it if defective

Reset overload thermal switch O.T.S. internal control box position

We suggest to do not use extensions to feed the h.p. cleaner.

In case it is absolutely necessary, make sure that the power plug and socket of the extension

cord are the kind watertight; however the connections must be lifted from the ground in order to

prevent contact with water.

Thermal relay setting

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