ERROR MESSAGES
Error
Indication
Cause
Control Output
1. Thermocouple burnt out.
When the burn-out
2. RTD (A) leg burnt out.
control output is set for
3. PV value exceeds P-SU
downscale (standard):
by 5% FS.
OFF, or 4mA or less.
1. When RTD (B or C) is
When the burn-out
burnt out.
control output is set for
2. When RTD (between
upscale: ON, or 20mA
A and B, or between
or less.
A and C) is shorted.
3. When PV value is below
P-SL by 5% FS.
4. When analog input wiring
is open or short.
When PV value goes below
Control is continued until
-1999.
the value reaches -5% FS
or less, after which burn-
out condition will occur.
HB lamp
Heater burnout condition
Normal control output for
ON
heating is continued.
When the setting of
OFF, or, 4mA or less.
P-SL/P-SU is improper
Fault in the unit
Undefined. Stop use
immediately.
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