Fault Messages - Donaldson Ultrafilter 0020-60 Manual De Funcionamento

8
US
Symptom
dew point not sufficient
– high pressure dropt
– high air flow at si-
lencer
– service message
"change prefilter!"
after electrical connec-
tion no function of the
dryer
after electrical connec-
tion all LEDs lighted
scrolling through menu
by button "MODE" does
not work
Fault Messages and Troubleshooting

Fault Messages

8.1 Fault Messages
Cause
– Operating conditions (P / T) differ from parameters
fitted into the Ultrapac 2000 midi superplus
– life of desiccant cartridges exceeded
– throttle element fouled or blocked or wrong diame-
ter of bore
– defective shuttle valves or regeneration valves
– silencer fouled or blocked or damaged
– condensate line blocked
malfunction of shuttle
valve
pressure build up insuf-
ficient
– board not connected
– transformer wrong or
defective
data stream to the con-
troller is interrupted
controller failure
ball damaged
diaphragms damaged
wrong or blocked throttle
element
fouled throttle element
pressure build up time
too short
wrong sequence during
commissioning
terminal block not con-
nected
processor or EEPROM
not correctly assembledt
acknowledgement switch
connected to the plug
– 39 –
Action
– adjust dryer
– change cartridges
– check throttle
– change multifunction unit
– clean line
– clean line
Change multifunction unit
Change multifunction unit
– change throttle element
– adjust pressure and tempera-
ture new
clean throttle element
adjust pressure and temperature
new
1. Step: pressurise
2. Step: power on
check terminal block
check contacts
turn processor / EEPROM by
180°
remove acknowledgement
switch and start dryer again
switch dryer off and on again