Vaisala HMP230 - Manual (Page 134)

HMP230 SERIES
Appendix 5: Error messages
M210225en-B
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1. ERROR TYPES
The HMP230 transmitters go through a self-diagnostics procedure when the
power is switched on. When the procedure does not reveal any errors or faults,
the transmitter starts operating normally. If errors or faults are found, the
transmitter outputs an error message. Possible errors can also be checked with
command ERRS (see Appendix 1).The error messages can be divided into two
groups: error messages after reset and error messages during operation. Note
also that if the analogue current output is selected to be 4 - 20 mA, in case of
error the signal drops to 0 mA.
LED symbols:
¡ LED dark
☼
LED blinking
l LED lit
1.1 Errors after reset
Display Serial bus
E11 CPU EEPROM ackn. error
- the CPU hybrid is probably damaged. Send the transmitter to Vaisala for
repair.
E12 CPU EEPROM checksum error
- possibly due to an electrical disturbance an erroneous parameter value or an
incorrect checksum has been stored in the EEPROM. Change any parameter
value (e.g. with command INTV) and give command RESET, or turn the
power off and then on again. If the error message no longer appears, the
transmitter is in order. Should the message re-appear repeatedly, send the
transmitter to Vaisala for repair.