Instruction manual

Troubleshooting
78 Installation and Operations Manual
10.2 System Error Messages
Code Description Possible cause Remedy
A102 Checksum error
General reset and new
calibr.required.
Device has been powered off before data could be
stored
• EMC problem
• EEPROM defect
Reset
Avoid EMC problem;
if alarm prevails after reset, exchange
electronics
W103 Initializing - please
wait
EEPROM storage not yet finished Wait some seconds; if warning prevails,
exchange electronics
A106 Downloading, please wait Processing data download Wait until warning disappears
A110 Checksum error
General reset and new
calibr.required.
Device has been powered off before data could be
stored
• EMC problem
• EEPROM defect
Reset
Avoid EMC problem;
if alarm prevails after reset, exchange
electronics
A111 Electronics defect RAM defect Reset
If alarm prevails after reset, exchange
electronics
A113 Electronics defect RAM defect Reset
If alarm prevails after reset, exchange
electronics
A114 Electronics defect EEPROM defect Reset
If alarm prevails after reset, exchange
electronics
A115 Electronics defect General hardware problem Reset
If alarm prevails after reset, exchange
electronics
A116 Download error
Repeat download
Checksum of stored data not correct Restart download of data
A121 Electronics defect No factory calibration exist
EEPROM defective
Contact service
W153 Initializing - please wait Initialization of electronics Wait some seconds; if
warning prevails, power off device and
power on again
A155 Electronics defect Hardware problem Reset
If alarm prevails after reset, exchange
electronics
A160 Checksum error
General reset and new
calibr.required
Device has been powered off before data could be
stored
• EMC problem
• EEPROM defect
Reset
Avoid EMC problem;
if alarm prevails after reset, exchange
electronics
A164 Electronics defect Hardware problem Reset
If alarm prevails after reset, exchange
electronics
A171 Electronics defect Hardware problem Reset
If alarm prevails after reset, exchange
electronics
A231 Sensor 1 defect, check
connection
HF module or electronics defective Exchange electronics