Roberts Gorden System Control HP 208 V 3 - Manual (Page 21)

SECTION 6: R EPLACEMENT P ARTS
15
6.1 Replacement Parts Instructions
6.1.1 Fuse 250 mA
See Page 14, Figure 10, Item 1.
This time delay fuse protects the System Control
from power surges, lightning and incorrect wiring.
If the fuse needs replacing, the following steps must
be taken.
Disconnect power to the System Control.
Remove the screws from the cover and remove the
cover of the System Control. See Page 5, Section
3.2.2 for details.
Locate the fuse, and remove the fuse with a fuse pull-
ing tool. See Page 14, Figure 10, Item 1.
Replace with a new fuse rated at 250 mA slow blow.
6.1.2 Transformer
The transformer on the board cannot be replaced.
See Page 14, Figure 10, Item 2.
6.1.3 Microprocessor Programing
The microprocessor may be re-programed by a
reprograming device.
Should the microprocessor program become suspect
during troubleshooting, consult Roberts-Gordon LLC.
DANGER
Electrical Shock Hazard
Disconnect electric before service or
maintenance.
More than one disconnect switch may be
required to disconnect electric to the unit.
Failure to follow these instructions can result
in death or electrical shock.
WARNING
Explosion Hazard
Turn off gas supply to equipment before
service or maintenance.
Failure to follow these instructions can result
in death, injury or property damage.