Troubleshooting; Faults Without A Fault Alert; Fault Alerts - ProMinent Beta BT4b Operating Instructions Manual

Troubleshooting

13 Troubleshooting
Safety notes
13.1

Faults without a fault alert

Fault description
Pump does not prime in
spite of full stroke motion
and bleeding
Fluid is escaping from the
backplate
Green LED display (oper‐
ating display) does not light
up
13.2

Fault alerts

Fault description
Red LED indicator (fault indi‐
cator) lights up and the
pump stops
42
Cause
Minor crystalline deposits on
the ball seat due to the
valves drying out
Major crystalline deposits on
the ball seat due to the
valves drying out
The screws in the dosing
head are too loose
The metering diaphragm is
not tight
The wrong mains voltage or
no mains voltage is con‐
nected
Cause
The liquid level in the storage tank has
reached "liquid level low 2nd stage".
The multifunctional switch is not turned to
"Extern" but an external cable is connected
and the pump has the identity code feature
"Control type" - "1" "with lock".
WARNING!
Warning of dangerous or unknown feed chemical
Should a dangerous or unknown feed chemical be used: It
may escape from the hydraulic components when working
on the pump.
– Take appropriate protective measures before working on
the pump (e.g. safety glasses, safety gloves, ...).
Observe the safety data sheet for the feed chemical.
– Drain and flush the liquid end before working on the
pump.
CAUTION!
Warning of feed chemical spraying around
Feed chemical can spray out of the hydraulic components if
they are manipulated or opened due to pressure in the liquid
end and adjacent parts of the system.
– Disconnect the pump from the mains power supply and
ensure that it cannot be switched on again by unauthor‐
ised persons.
– Depressurise the system before commencing any work
on hydraulic parts.
Remedy
Take suction hose out of the storage
tank and thoroughly flush out the
liquid end
Dismantle the valves and clean them
- refer to "Repair"
Tighten the screws in the dosing head
crosswise - refer to "Repair" for tight‐
ening torque.
Replace the metering diaphragm -
refer to "Repair".
Connect the pump correctly to the
specified mains voltage - according to
the specification on the nameplate
Remedy
Fill the storage tank
Either turn the multi‐
functional switch to
"Extern" or remove the
Extern cable from the
pump
Personnel
Technical per‐
sonnel
Technical per‐
sonnel
Instructed per‐
sonnel
Technical per‐
sonnel
Electrician
Personnel
Instructed per‐
sonnel
Technical per‐
sonnel