Gema FPS16, Operating Instructions Manual

Page: 49 / 62

Rev. 00 03/22
OptiFeed BigBag (FPS16) Fault clearance
•
49
Code Description Criteria Remedy
H83
Backpressure too low Backpressure in the powder
hose less than C4 Refill the powder or check
the trickling flow and
fluidization
H84
Backpressure too high Backpressure in the powder
hose greater than C5 Clean or replace the
powder hose
Check the powder hose for
kinks
Appearance of errors
It is possible that a help code is only displayed for a short time, but after
the acknowledgment it will disappear. In this case, it's recommended to
switch off the device and switch it on again (reset by restarting).
Troubleshooting guide
Prior to any troubleshooting measures, always check the
parameters configured in the powder pump!
Incident Causes Corrective action
Powder pump does not
convey
Compressed air supply failed
or pressure too low Check the compressed air source
(ensure an air pressure of 6
–8
bar), check the pressure gauge of
the local pressure regulator
No control signal Check the control cable or control
signals
Powder not present Refill powder
No fluidization in the suction
zone Ensure the fluidization or set
correctly
Conveying hose is clogged Empty powder hose over 6 m long
with compressed air or manually
(
warning
– powder will be
expelled!)
Suction hose is clogged Run the cleaning program in
conveying and in suction direction
(
Warning
– powder will be
expelled!)
Powder pump conveys
irregularly or low powder
flow
Powder is not fluidized well,
pinholing in the powder
container Adjust the fluidization correctly
Hose backpressure is greater
than 1.0 bar
– Powder hose is clogged or
bent (clean or replace it)
– Filter elements (powder
chamber/pinch valve hose)
are clogged (clean or
replace them)