54 tina83e1-d (2018-12)
Correction
Turn on power supply.
Replace ionization cham-
ber or measuring cham-
ber cpl (→ 44, 50).
Wait, until the gas dis-
charge has ignited
(≈5 minutes at a pressure
of 10
-9
mbar).
Perform a HV adjustment
via button (→ 41).
Replace the measuring
chamber cpl. (→ 50).
Switch the gauge off and
on again after 5 s.
Replace the gauge.
Replace the measuring
chamber cpl. (→ 50).
Possible cause
No supply voltage.
Gauge contaminated.
Gas discharge has not
ignited.
Pirani zero point shift.
Pirani defective.
EEPROM error.
Measuring chamber
severely contaminated.
Status
signal
0
0
0
0
0
0
14.5 …
30 V
LED
<HV-ST>
off
lid solid
green
blinking
green
off
off
off
lid solid
green
LED
<ST>
off
lid solid
green
lid solid
green
lid solid
green
lid solid
red
blinking
red
lid solid
green
Problem
No voltage at signal output.
Measuring signal unstable.
Voltage at signal output does
not drop under <4.82 V.
Voltage at signal output con-
tinually > 5.6 V.
Voltage at signal output con-
tinually > 9.5 V.
Signal continually at approx.
5×10
-4
mbar.
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