SH2000
82.150 Rev 100315
35
7.7 PID Controller Fault Diagnostic Procedure
The following failure conditions will be indicated by the controller’s display:
7.7.1
THERMOCOUPLE FAILURE
7.7.2
DISPLAY WILL ALTERNATE
BETWEEN
ACTION
: Check thermocouple and its wiring and replace where necessary.
7.7.3
HEATER FAILURE
Temperature reading remains at ambient level or lower than preset temperature.
ACTION
: Check power supply to heater. If OK, replace heater element.
7.7.4
Where heater is not fitted with a thermocouple, heater failure can only be traced by
manual inspection with a continuity tester.
7.7.5
MEMORY ERROR
DISPLAY WILL ALTERNATE
BETWEEN
ACTION
: De-power briefly, if this fails
to clear the fault, replace controller.
7.7.6
CONTROLLER FAILURE
No display
ACTION
: Check power supply to unit. If OK, replace controller.
and
and
MAINTENANCE
Содержание Saxon SH 2000
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