Maintenance
38
Dat
e
of i
ss
u
e : J
a
nu
a
ry 2011
Automatic Greasing System
Twin-3
EG1703P03
14.
+
Successive valve-2
open loads
Control unit detected a too low cur-
rent draw to first coil of the
5/2-way valve in combination with
initial “system on pressure before
cycle” error, caused by:
a. Interrupted wiring of the coil
a. Check wiring. Replace or repair
when necessary.
b. Defective coil
b. Check coil on wiring faulty, check
the resistance of the coil. Replace
or repair when necessary.
15.
+
Successive valve-2
over current
Control unit detected a too high cur-
rent draw to 5/2-way valve in combi-
nation with initial “system on
pressure before cycle” error, caused
by:
a. Short circuit in wiring of the coil
a. Check wiring. Replace or repair
when necessary.
b. Defective coil
b. Check coil on wiring faulty, check
resistance of the coil. Replace or
repair when necessary.
16.
+
Communication error
with control unit
a. No communication between
display & control unit
a. Check the purple communication
wire no. 6 between display and
pump (pump connector pin no.
6). Repair when necessary.
b. No supply voltage at the pump
b. Check the fuse and red power
wire no.1 to pump connector no.
1 and the black ground wire no.
2 to the pump connector no. 2.
Replace or repair when
necessary.
c. Defective Twin-3 display
c. When no issues found as stated
in solution A or B, replace dis-
play.
17.
+
Parameter checksum
error
Control unit encountered corrupted
parameters during power up and
restored the production default set-
tings.
Replace control unit.
18.
+
Low RTC battery
(real time clock bat-
tery)
NOTE: 3V battery
Real time clock battery low
(2,2 V) at the control unit.
Replace control unit.
19.
+
RTC faulty
Control unit encountered a
corrupted real time clock causing
the events and errors to be stored
with in accurate time & dates caused
by:
a. RTC battery empty
a. Replace control unit.
Error code / malfunction
Cause
Solution
Содержание EG1703P03
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