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Vaisala HMP228 User Manual

Page 104

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HMP228
Appendix 6: Error messages

M210282en-A

98

APPENDIX 6: ERROR MESSAGES

The HMP228 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. The error messages can be divided into
two groups: error messages after reset and error messages during operation.

LED symbols:

¡

LED dark

¤

LED blinking

l

LED lit

Errors after reset

Display

Serial bus

E11 CPU EEPROM ackn. error

E12 CPU EEPROM csum error

E21 PRB EEPROM ackn. error

E22 PRB EEPROM csum error

ackn. error =

EEPROM is faulty

csum error =

check sum is erroneous

The LEDs display these error types as follows:

¡l¡¡

CPU EEPROM error

l¡¡¡

input hybrid error