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- 9
DANGER
Risk of injury! The main switch is to be switched off with
all repair work.
A Error number
B Number of currently present errors
– Error type 1: Emergency operation of the system
with remaining high pressure pumps.
– Error type 2: The operating readiness of the system
is switched off and the high pressure pumps are
shut off.
– If one of the above errors occurs, the appliance can
be restarted after the error has been corrected by
activating the release switch.
Note: The 40 most recently occurred errors are saved
with the respective date and time and can be shown on
the display.
A Date of error event
B Time of error event
C Error number
D List location of error
E Number of saved errors
Troubleshooting
Error num-
ber
Error description Error
type
01 Control voltage is missing 2
02 Display, no communication 2
10 Motor protection switch high
pressure pump 1
1
11 Motor protection switch high
pressure pump 2
1
12 Motor protection switch high
pressure pump 3
1
13 Motor protection switch high
pressure pump 4
1
18 Winding protection contact high
pressure pump 1
1
19 Winding protection contact high
pressure pump 2
1
20 Winding protection contact high
pressure pump 3
1
21 Winding protection contact high
pressure pump 4
1
26 Motor protection switch advance
pressure pump
2
30 Switch "On" constantly occupied
(control input)
2
31 Switch "On" constantly occupied
(display)
2
32 Switch "Off" constantly occupied
(control input)
2
40 Water shortage 2
41 Water temperature is too high 2
42 Leakage switch-off 1 (30 min-
utes of continuous operation).
2
43 Leakage switch-off 2 (minor
leakage)
2
45 Pressure too high (> 300 bar) 2
47 Overflow valve adjusted incor-
rectly
2
48 HDC type set incorrectly 2
50 Pressure sensor for high pres-
sure does not transmit signal
2
51 Flow switch permanent signal 2
52 Temperature sensor does not
transmit signal
2
Fault Possible cause Remedy of whom
Appliance is not running There is no voltage in the machine. Check electrical mains. Electrician
Motor protection switch for the control has
been triggered.
Check motor protection switch. Customer Service
Pump starts during the stand-by period
and not when the hand spray gun is
opened.
Pressure sensor for high pressure or cable to
pressure sensor defective.
Replace pressure sensor or cable. Customer Service
Full pressure does not build up in the ap-
pliance
Flushed the nozzle. Replace the nozzle. Operator
Suction site pipe leaking. Check screw fittings and hoses. Operator
Safety valve is leaky. Check the setting; install new washers, if required. Customer Service
Overflow valve is leaking or set too low. Check valve parts; replace damaged parts; clean the dirt. Customer Service
Valve in the pump defective, high-pressure
solenoid valve does not close.
Replace defective components. Customer Service
High pressure pump is knocking; ma-
nometer is swaying wildly
Pump is sucking air. Check suction system and remove leaks. Operator
Valve plate or valve spring is defective. Replace defective components. Customer Service
Advance pump calcified or defective. Check advance pump. Operator
Overflow valve opens and closes contin-
uously during 0 takeover
Leakage in the high-pressure pipeline system
or hand spray gun leaking.
Locate and seal leakage. Operator
Backflow valve or control piston seal leaking
in overflow valve.
Repair the overflow valve. Customer Service
Error code 01 is displayed Control board defective, green LEDs are not
blinking.
Check control board, replace if necessary. Customer Service
Error number 10, 11, 12, 13 is displayed Overflow protection switch of the respective
high pressure pump has been triggered.
Rectify cause for over-loading. Customer Service
Error number 18, 19, 20, 21 is displayed Thermal sensor of the respective motor has
been triggered.
Rectify cause for over-loading. Customer Service
Error code 26 is displayed Overflow protection switch of the advance
pressure pump has been triggered.
Rectify cause for over-loading. Customer Service
Error code 40 is displayed The water shortage safeguard in the swimmer
tank has got activated.
Remove the water shortage. Operator
Swimmer valve is jammed. Check swimmer valve for free movement. Operator
Error code 41 is displayed The temperature sensor in the swimmer tank
has been activated.
Reduce water infeed temperature. Operator
Error code 42 is displayed Leakage in the high-pressure pipeline sys-
tem.
Locate and seal leakage. Operator
Too many consumer loads open at the same
time.
Close some consumer loads. Operator
Pressure sensor for high pressure defective. Replace pressure sensor. Customer Service
Error code 43 is displayed Leakage in the high-pressure pipeline sys-
tem.
Locate and seal leakage. Operator
Pressure sensor for high pressure defective. Replace pressure sensor. Customer Service
Error code 45 is displayed Pressure too high (> 300 bar). Incorrect nozzle inserted. Insert correct nozzle. Operator
Pressure sensor for high pressure defective. Replace pressure sensor or cable. Customer Service
23EN
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