OPERATING MANUAL FOR SELECT EDI 60
L300180 Iss:A
31
10
TROUBLE SHOOTING
The touch screen communicates faults with the system via both the mimic
screen and text lines.
A fault finding guide with corrective actions is shown below.
10.1
General fault conditions
Symptom/s
Possible causes
Actions
Unit does not power up
1. Fuse blown in mains lead
2. Fuse blown in IEC module
3. Electrical fault with the unit.
1. Check 5 amp fuse in mains lead
2. Check fuses in IEC module (refer
to Sec. 11.4.2)
3. Contact supplier
Make up rate into
integral tank declining
1. Feed water temp low.
2. Media pack needs replacing
3. (RO) membrane fouled
1. Check feed conditions. (Refer to
Sec.11.1 and 11.5.1-11.5.2)
2. Check all replacement dates and
replace where necessary.
3. Contact supplier with details.
4. Check condition of pre-filter
10.2
Alarm/Warning messages
DISPLAY
POSSIBLE CAUSE
OPERATOR ACTION
TEMPERATURE
SENSOR ERROR
Temperature probe lead possibly
disconnected or faulty.
Contact your local distributor or
SUEZ Service Department.
LINE CELL ERROR
Line cell lead possibly disconnected
or faulty.
Contact your local distributor or
SUEZ Service Department.
LOW PRESSURE
RO Boost Pump faulty or loss of
feed water supply.
Low pressure switch fault.
PT media pack blocked.
Check boost pump operation.
Check feed water supply pressure.
Replace pre-filter.
Contact supplier if fault persists.
HIGH PRESSURE
Increase in feed water pressure.
RO membrane may require
cleaning
Check feed water pressure must be
<30psi.
Check plugs have been removed
from new pack.
Contact supplier if problem persists.