HAMMELMANN HDP 502 / S 1100-50, Руководство по эксплуатации, Страница: 52 / 311

Operating instructions
Maintenance
No.: HDP 502 / S 1100-50
Page 46, Issue: 03.2017
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Copyright Hammelmann GmbH
Germany
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D-59302 Oelde
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Carl-Zeiss-Straße 6 - 8
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11 Mainten an ce
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11.1 Fault finding and remedy
All maintenance and inspection work should only be done when system is switched
off and released!
Whenever a fault is observed or suspected, emergency stop the unit immediately!
Before examination of the High pressure unit or before maintenance works and
repairs, shut down and relieve the complete high pressure system. Depress and lock
emergency stop button . Remove key for safekeeping. Recommendation:
The keeping of the key by the man, i.e. that man which works at the high pressure
unit carries the key on himself.
11.1.1 Annunciated faults
The unit is protected against extensive damage by automatic safety cut-outs. The unit will stop immediately and the
fault will appear in clear text on the panel display.
Press keypad and lock for safety.
The fault finding and remedy is described in the operating instructions of the ES2.
Faults, possible reasons as well as remedies are described there.
After removal of the fault, the fault text can only be removed from display screen by
pressing keypad . If after pressing the text remains on display if the fault has not been
eliminated.
Using an external power source as an auxiliary starter when the ES2 is on can interfere
with the electronic control system.
11.1.2 Observed faults
The following faults are either immediately obvious or will be picked up during routine monitoring by the operator.
These faults will not be announced in clear text at the panel screen.
Faults Possible causes Remedy
a) Electrical system does not
respond to keypad .
 Batteries exhausted.  Exchange or recharge.
 Emergency stop switch is
still engaged.
 Release Emergency stop
switch
b) Engine does not respond to the
keypad. .
 Batteries low or exhausted.  Recharge or replace.
 Control system component
failure
 Consult HAMMELMANN agent
(abroad) or customer services.
dept. (F.R.G.).
c) Pumps runs without pressure.
 Accessory trigger switch mal-
function.
 Replace.

No oil pressure to bypass
cylinder.
 Check system oil pressure.