A-4
Append;x A
(CISHER”)
Fault Code
Err 1
Err 2
Err 3
Err 4
Err 5
Meaning Precautions
Checksum fault in the internal program Reset the configuration using FCODE 145,
memory. DO3 and DO4 are activated. The then reconfigure the controller. Controller
unit sends out a user-defined output signal should show 0.0 on the digital display.
(FCODE 23) or freezes the output signal Check the installation. If Err 1 recurs, con-
(FCODE 113). Unit switches to Manual. It is tact your Fisher representative. Record the
possible to control the output signal with the configured functions and tuning parameters
increase/decrease buttons, but the Manual from the digital display in the Programming
mode cannot be exited. This error can occur mode.
if the installation was done improperly.
Checksum fault in the controller program. Contact your Fisher representative.
DO3 and DO4 are activated. The unit sends
out a user-defined output signal (FCODE
23) or freezes the output signal (FCODE
113). Behavior of the controller cannot be
guaranteed. It is possible to control the out-
put signal with the increase/decrease but-
tons, butthe Manual mode cannot beexited.
Thermocouple failure when using the Ensure that the sensor is working and check
DPRlOO temperature module. Possible the signal connections between the sensor
thermocouple burnout. DO3 and DO4 are and the DPRlOO module.
activated. The unit sends out a user-defined
output signal (FCODE 23 or freezes the out-
put signal (FCODE 113) and switches to
Manual. It is possible to control the output
signal with the increase/decrease buttons,
but the Manual mode cannot be exited. If the
failure is cleared, the controller returns to
normal operation.
Output signal failure at A01 The output has Ensure that connections to the A0 terminals
dropped out and the unit switches to Manu- are secure, and check the receiving device
al. DO3 and DO4 are activated. The output for proper operation. Check for current path
signal cannot be controlled by the increase/ between pins 9 and 10 on terminal block.
decrease buttons. If the failure is cleared, Check that load is less than 650 ohms.
the controller returns to normal operation. Check that dc supply is not overloaded, max
IOOmA. Check that supply voltage is not
less than 10% of nominal.
Communications failure with the display Internal hardware error. Contact your Fisher
panel circuits. DO3 an DO4 are activated. representative.
The unit sends out a user-defined output
signal (FCODE 23) or freezes the output
signal (FCODE 113). If possible, digital dis-
olav shows Err 5 or aoes blank.
UM6.i:DPR900:9102 May 1991
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