IMR01H01-E4
19
8. ERROR DISPLAYS
!"
Self-diagnostic error
If an error is detected by the self-diagnostic, the PV display
flashes “
Err
,” and the SV display shows the error code. When
two or more errors occur simultaneously, the error code
numbers are totaled and displayed as one number.
When the adjusted data error and A/D conversion error occurs
simultaneously
Turn off the power
once.
If error occurs after
the power is turned
on again, please
contact RKC sales
office or the agent.
The SV display shows the number
5
obtained by adding
1 (Adjusted data error) to 4 (A/D conversion error).
Flashing
A/D conversion
error
EEPROM
error
Contol output:
All the output is
OFF.
Alarm output:
All the output is
OFF.
However, FAIL alarm
is turned off.
Adjusted data
error
Description
Action (Output)
Error number
Solution
Board
configuration
error
Watchdog
timer error
!"
Overscale and Underscale
Description
Display
Solution
Check the sensor or
input lead.
Underscale
PV is below the low input
display range limit.
Overscale
PV is above the high input
display range limit.
Measured
value (PV)
is flashing
Input error
PV is outside of input
range.
To prevent electric
shock, always turn off
the power before
replacing the sensor.
WARNING
!
[Flashing]
[Flashing]
PV display
Input range
Effective input range
(Input range
+
α
)
α
: The range to be displayed differ depending on the input type or the setting limit.
α
PV flashing
display
PV display
unit
Overscale
Underscale
α
PV flashing
display
9. REMOVING THE INTERNAL
ASSEMBLY
Usually, this instrument is not necessary to remove the internal
assembly from the case. When removing the internal assembly
without disconnecting the external wiring, take the following
steps.
Recommended tool: Blade screwdriver
B
lade width: 6
mm or less
Lock (upper)
Unlock using such a blade screwdriver. Gently press down on
handle for the upper lock and lift up for the lower lock.
Lock (lower)
Apply pressure very carefully when removing internal
assembly to avoid damage to the frame.
To conform to
IEC61010-1
requirements for protection
from electric shock, the internal assembly of this
instrument can only be removed with an appropriate
tool.
"
"
#"
To prevent electric shock or instrument failure, only
qualified personnel should be allowed to pull out the
internal assembly.
#"
To prevent electrical shock or instrument failure, always
turn off the power before pulling out the internal assembly.
#"
To prevent injury or instrument failure, do not touch the
internal printed wiring board.
!
WARNING