84 Protec P3000 Messages
E20 Temperature at electronic
unit is too high (>60°)
Ambient temperature too high Cool down environment, place
Protec P3000 in cooler area.
Ventilation failure Check if fans on both side of main
unit are running (check for air flow
through inlets on both side of main
unit housing)
Air filter dirty Clean or replace main air filter
See Section 7.2
E22 Temperature at the
electronics unit too low
(<-21°)
Ambient temperature too low Check the environment.
Temperature sensor defective Call nearest INFICON service
representative!
W24 24V for the ext. control unit
too low
For RC versions only:
Fuse on the RC-driver board
blown
Replace fuse on RC-driver board!*
E25 Remove sniffer from CAL
port
Sniffer inserted in calibration
port during start-up
or
sniffer needs to be removed
during internal calibration
process
Remove sniffer from calibration port
of PRO-Check!
Light barrier of PRO-Check
dirty
Blow out with fresh air and / or clean
with cotton swab!
E26 Background too high or
Wise sensor defective
Environment contaminated
with helium or Wise
Technology sensor defective!
Offer fresh air to sniffer line.
If problem persists call nearest
INFICON service representative
W28 Real time clock reset!
Please enter date and time!
CPU-board has been replaced Please enter date and time!
See Section 4.4.5
Battery on CPU-board faulty Replace CPU-board*
W29 The 24V of the audio output
is too low
Fuse F6 on the wiring level is
defective
Replace fuse F6 on the main PCB
E32 Wise Technology current
too high
Wise Technology sensor
current exceeds threshold
value
Do not switch off Protec
P3000(XL)!!!
Supply fresh air through sniffer line
quickly, restart the Protec P3000
and wait for Protec P3000 to
recover!
If problem persists, call nearest
INFICON service repesentative!
W34 Flow has changed! Flow has changed by more
than 30% since last calibration
(warning will disappear if
change drops below 20%
again).
Recalibrate the Protec P3000 (See
Section 3.5) or replace sniffer line
filters!
Error
no.
Plain text message Possible Reason Recommendation