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DewPro MMY31
5.0
Troubleshooting
5.1 General Problems
1. The loop current is outside the range of 4-20 mA, as shown on display or current
meter.
SOLUTION: The process dewpoint is out of range. If the dewpoint is above
o
o
+22
C (+ 77
F), the current will go to the fault current specified on the order or
in the matrix field VH 07. Apply dry air for a few minutes. If the dewpoint doesn't
decrease, consult factory.
SOLUTION: If the dewpoint is below -90
fault current specified on the order or in the matrix field VH 07. Move the sensor
into a wetter environment for a few minutes. If the dewpoint doesn't increase.
the cause may be a defective sensor assembly or an electronics malfunction.
Consult factory.
2. There is no current.
SOLUTION: Check voltage and polarity across +/- terminals with a DC voltmeter
If the voltage is within 12-32 V DC, consult the factory.
GE General Eastern
Installation and Operation Manual
o
o
C (-130
F), the current will go to the
17
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