Vaisala GMP343 - Manual (Page 74)

User’s Guide ______________________________________________________________________
72 ___________________________________________________________________M210514EN-E
Error States
In case of an error function the outputs are as follows:
- Serial line: In STOP mode the error code and description (see the
Table 6 below) is shown when keying in the command: ERRS. In
POLL or RUN mode the error flag is set to 1 (if the error flag is
included in the message format, see FORM-command). Reset the
error state with a command ERRS R.
- Analog output shows the error level (can be set by using the AERR-
command. Factory setting: 5 V or 20 mA).
Table 7 Troubleshooting Errors
Error code Error description Interpretation Action
E01 EEPROM checksum failure Internal transmitter failure Return the device to
Vaisala Service
E02 IR source failure Internal transmitter failure Return the device to
Vaisala Service.
E03 FPI failure Internal transmitter failure Return the device to
Vaisala Service.
E04, E05 Heater failure Internal transmitter failure Return the device to
Vaisala Service.
E06 Temperature measurement
failure Operation temperature is
out of allowed range.
Analog output: Error level
is shown if temperature
compensation is enabled.
Otherwise, output is
normal. Ensure that the operating
temperature is -45...+85
°C (-49...185 °F). In case
of constant error, return
the device to Vaisala
Service.
E07 Measurement signal level
too low Measurement chamber is
contamined or the lamp is
degraded. Change the filter and clean
the optics according to the
instructions in section
Changing the Filter and
Cleaning the Optics
(Diffusion Model Only) on
page 70
. In case of
constant error, return the
device to Vaisala Service.
W01 Watchdog reset occured Software defect In case this warning
appears frequently, return
the device to Vaisala
Service.
W02 Stack overflow Software defect In case this warning
appears frequently, return
the device to Vaisala
Service.