Vaisala HMP155 User Manual Page 56
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USER'S GUIDE____________________________________________________________________
54 _______________________________________________________________ M210912EN-C
Error States
In an error state, the quantity is not measured and the output is shown as
follows:
- Analog channel outputs 0 V (you can use the
AERR serial line
command to change this fault indication value, see section AERR on
page 43).
- The serial port outputs stars (***) instead of me
asured values.
You can also check the error message via the serial interface by using the
ERRS command. In case of constant error, please contact Vaisala, see
sections Technical Support and Product Returns on page 55 .
NOTE
If you do not know the HMP155 serial connection settings, you can force
the settings 19200 N 8 1 with the # command. The
# command is only
available in the first three seconds after power-up.
The possible error messages of HMP155 are listed in Table 15 below.
Table 15 Error Messages
Error Message Description Action
T MEAS error Error in temperature
measurement
Check the HUMICAP
®
sensor.
T REF error Error in temperature
measurement
Contact Vaisala Service
Center, see page 55.
TA MEAS error Error in T-probe
measurement
Check the additional
temperature probe.
TA REF error Error in T-probe
measurement
Contact Vaisala Service
Center, see page 55.
F MEAS error Error in humidity
measurement
Check the HUMICAP
®
sensor.
F REF1 error Error in humidity
measurement
Contact Vaisala Service
Center, see page 55.
F REF3 error Error in humidity
measurement
Contact Vaisala Service
Center, see page 55.
Program flash
checksum error
Internal error Contact Vaisala Service
Center, see page 55.
Parameter flash
checksum error
Internal error Contact Vaisala Service
Center, see page 55.
INFOA checksum error Internal error Contact Vaisala Service
Center, see page 55.
SCOEFS checksum
error
Internal error Contact Vaisala Service
Center, see page 55.
- USER'S GUIDE 1
- CHAPTER 5 4
- CHAPTER 6 4
- CHAPTER 7 5
- APPENDIX A 5
- List of Figures 6
- List of Tables 6
- GENERAL INFORMATION 7
- Version Information 8
- Related Manuals 8
- Documentation Conventions 8
- Regulatory Compliances 9
- Recycling 10
- Patent Notice 10
- Trademarks 10
- License Agreement 10
- Warranty 11
- PRODUCT OVERVIEW 13
- Basic Features and Options 14
- Structure of the HMP155 15
- 1206-038 16
- INSTALLATION 19
- Installation in DTR503 20
- 0805-008 21
- 1205-105 23
- 1205-106 23
- OPERATION 25
- Serial Line Communication 26
- HMP155 1.00 27
- 0903-025 29
- List of Serial Commands 30
- Measurement Commands 32
- Formatting Commands 35
- UNIT [M/N] 37
- PRES and XPRES 38
- System Commands 39
- Example: 40
- Sensor Functions 47
- Chemical Purge in Power Up 48
- Manual Chemical Purge 48
- CAUTION 49
- Sensor Heating 50
- XHEAT command without 51
- XHEAT * command 51
- MAINTENANCE 53
- Changing the Sensor 54
- 180/180R Sensors 55
- Error States 56
- Technical Support 57
- Product Returns 57
- CALIBRATION AND ADJUSTMENT 59
- ADJ button is pressed, see 60
- Push-Button Calibration 61
- Adjustment 63
- Calibration 64
- Serial Line Calibration 65
- Sensor Change 67
- User Adjustment Commands 68
- Analog Output Adjustment 69
- MI70 Check and Adjustment 70
- TECHNICAL DATA 73
- Temperature 74
- Operating Environment 75
- Calculated Variables 76
- Inputs and Outputs 77
- Mechanics 78
- Options and Accessories 79
- Dimensions in mm (inches) 80
- CALCULATION FORMULAS 81
- 5.2)00189.001.1( 82
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