Macurco CD-6B Manual (Rev-1.0) Eng
REV – 1.0 [34-2900-0510-2 ] 22 | Page
• unit will display the error code.
• green status indicator LED light will flash.
• buzzer will chirp intermittently.
To clear this mode, turn off power to the unit for a few seconds or push the ENTER/TEST button (inside the unit).
This will cause the unit to restart the 1-minute self-test cycle.
5.1.2 “t” Error Codes
During a trouble condition, the display will show a “t” error code. Trouble is indicated on display by alternating every
second “t XX” and “tYYY”, if XX is not zero, or “tYYY” only if XX is zero. Table 1 below shows the description of the
problem associated with each “t” error code.
Sensor Fatal Error (transmitted by the sensor) or Wrong Sensor Type (happens when firmware
detects that a 5 %VOL sensor is not installed
Sensor Offset Regulation Error (transmitted by the sensor)
Sensor Algorithm Error (transmitted by the sensor)
Sensor Output Error (transmitted by the sensor)
Sensor Self Diagnostic Error (transmitted by the sensor)
Sensor Out of Range Error (transmitted by the sensor)
Sensor Memory Error (transmitted by the sensor)
Calibration overdue* (set by firmware)
Missing Sensor (At Power Up only)
Modbus communication error (during normal operation)
Factory calibration failure: temperature, zero, span or never calibrated
Factory pressure sensor fail
Sensor expired (see section 5.3 End-of-Life Signal to resolve error)
Table 5-1 ”t” Error Code Descriptions
If the trouble condition repeats frequently, check for continuous power and proper voltage. If power is not the
problem and a unit has repeating trouble conditions, it may need to be returned to Macurco for service, per these
User Instructions.
Multiple Error Codes – If multiple error codes occur simultaneously, the different error codes will be added together
into one combined error code. For example, “t 08” and “t 80” occurring simultaneously will display as “t 88”.
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