Edwards T-STATION 85

The turbo pump is very noisy or there is excessive vibraon or both
Cause Listed in Troubleshoong
secon of the turbo pump manual.
Remedy Refer to the Troubleshoong
secon of the turbo pump manual. See General descripon on
page 10.
Error numbers
If an error is detected by the controller the display will show "Err" followed by a number.
Refer to Table 11 on page 29 for a descripon of the error together with likely causes and
suggested remedies.
Table 11
Error numbers
Error
Number
Meaning Possible cause/remedy
Controller errors
1 EEPROM error The internal EEPROM checksum has failed. All user
sengs will revert to the factory default.
2 ID reference error The reference used for idenfying gauges is
inc
orrect. Please remove all connected gauges, turn
the electrical supply o and on, and wait for 30
seconds before reconnecng the gauges.
Gauge errors
11 Gauge voltage too high The voltage from a gauge is too high. The gauge may
be
defecve.
12 Gauge voltage too low The voltage from a gauge is too low. The gauge may
be defecve.
21 WRG Pirani failure Errors specic to WRG. Refer to the WRG manual for
details. Press the ENTER key to clear the error from
the display once the fault has been corrected.
22 WRG magnetron short
23 WRG striker fail
24 WRG magnetron not
s
truck
25 APGX lament failure Errors specic to APGX. Refer to the APGX manual for
details. Press the ENTER key to clear the error from
the display once the fault has been corrected.
26 APGX cal err
27 APGXH tube not ed
D395-94-880A - Fault nding
Page 29