Flashing service codes
Whenever a service is required the standard once per revoluon ash on the yellow status LED
is replaced with a service ash code.
Table 13
Flashing service codes
Service ash code Comments Acons
LED on 1 sec
LED o 1 sec
Oil cartridge service
recommended
It is recommended that the oil
cartridge is replaced. Refer to
Bearing and oil cartridge on-
site maintenance.
LED on 3 sec
LED o 1 sec
Bearing and oil cartridge
service recommended
It is recommended that the
bearing and oil cartridge are
replaced. Refer to Bearing and
oil cartridge on-site
maintenance.
LED on 3 sec
LED o 3 sec
Pump service required The turbo rotor or controller
has reached its expected life.
It is recommended that the
pump is returned to an
Edwards service centre for
service. Refer to Service.
Flashing error codes
Whenever a fail
condion becomes acve, the red alarm lights connuously or shows a
ashing sequence.
If the error light is on
connuously, this indicates a problem with the embedded soware. In
this case, try cycling the power. If cycling the power does not clear the indicaon, a soware
download will be required. Contact the supplier or Edwards. If the alarm LED is ashing,
idenfy the error ash code and consult the table in Decoding system status words on page
70.
There is a sucient o period between each subsequent cycle repeon to clearly mark the
start of a new ash sequence. The duraon of a long ash (L) is equal to 3 mes the duraon
of a short ash (0.5 s).
Table 14
Flashing error codes
Error ash
posion
Error ash
code
Comments Acons
0 ssssss The speed fell below 50% of
full rotaonal speed with the
mer disabled.
Check whether the pump is
too hot or whether the inlet
pressure is too high.
1 Lsssss Controller internal soware
mismatch.
Cycle the power to the pump
and see whether the error
code appears again. If it does,
contact the supplier or
Edwards.
B8G0-00-880A - Troubleshoong
Page 69
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