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Problem Possible Causes and Solutions
The display shows any of
the following:
err 1
,
err 2
,
err 3
,
err
4
,
Err 5
,
Err 6
,
Err 7
,or
Err 8
Controller problem. The error messages signify the following problems with the
controller.
Err 1
- a RAM error
Err 2
- a NVRAM error
Err 3
- a RAM error
Err 4
- an ADC setup error
Err 5
- an ADC ready error
Err 6
– a Sensor error
Err 7
– a Heater control error
Err 8
– a Soft cutout error
Initialize the system by performing the Factory Reset Sequence describe
above.
Temperature cannot be
set above a certain point
Incorrect High Limit parameter. The High Limit parameter may be set below
1200°C. Check this value as described in Section 8.10, Operating Parameters.
The display flashes
Cut-out
Incorrect Soft Cutout parameter. Wait for the instrument to cool and adjust the
Soft Cutout parameter as described in Section 8.10, Operating Parameters.
13.2 Comments
13.2.1 EMC Directive
Equipment manufactured by Hart Scientific has been tested to meet the Euro-
pean Electromagnetic Compatibility Directive (EMC Directive, 89/336/EEC).
The Declaration of Conformity for your instrument lists the specific standards
to which the unit was tested.
13.2.2 Low Voltage Directive (Safety)
In order to comply with the European Low Voltage Directive (73/23/EEC),
Hart Scientific equipment has been designed to meet the IEC 1010-1 (EN
61010-1) and the IEC 1010-2-010 (EN 61010-2-010) standards.
9150 Portable Furnace
User’s Guide
50