Memory comparison error, different
value detected in the EEPROM and
mapped RAM
1. Check and correct the wiring and grounding
problems to minimize the system noise.
2. Return to factory for repair.
EEPROM can't be written correctly
Return to factory for repair.
Cold junction compensation device(s)
malfunction
Return to factory for repair.
Key switch shorted or related PCB circuit
shorted
Return to factory for repair.
Input 2 ( IN2 ) signal too low
1. Check if the input 2 sensor used is accordant
with IN2 type selection.
2. Check the connection polarity of input 2
sensor.
3. Replace input 2 sensor.
Input 2 ( IN2 ) signal too high
1. Check if the input 2 sensor used is accordant
with IN2 type selection.
2. Replace input 2 sensor.
Input 1 ( IN1 ) signal too low
1. Check if the input 1 sensor used is accordant
with IN1 type selection.
2. Check the connection polarity of input 1
sensor.
3. Replace input 1 sensor.
Input 1 ( IN1 ) signal too high
1. Check if the input 1 sensor used is accordant
with IN1 type selection.
2. Replace input 1 Sensor.
Input 2 ( IN2 ) sensor break, or input 2
current below 1 mA if 4-20 mA is
selected, or input2 voltage below
0.25V if 1 - 5V is selected
Input 1 ( IN1 ) sensor break, or input 1
current below 1 mA if 4-20 mA is
selected, or input1 voltage below
0.25V if 1 - 5V is selected
A to D converter or related component(s)
malfunction
Return to factory for repair.
5-32 Error Messages and Corrective Actions
*B35: PROG CODE Description
BTC-4300 controller & Process Control card of PR