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PLC Health Monitoring & Reporting Sys 2-6 Manual EPM40002083-001 Rev -
Safety Precautions
The following general safety precautions must be observed during all phases of operation,
service, and repair of this equipment. Failure to comply with these precautions or with
specific warnings elsewhere in this manual violates safety standards of design,
manufacture, and intended use of this equipment. Honeywell assumes no liability for the
customer’s failure to comply with these requirements, as listed below.
1. Any interruption of the protective grounding conductor (inside or
outside the instrument) or disconnecting the protective earth ground
terminal is likely to make this equipment dangerous. Intentional
interruption is prohibited.
2. Whenever it is likely that the ground protection has been impaired, the
equipment must be made inoperative by removing AC line power, and
then shall be secured against any unintended operation.
3. Ensure that only fuse / Breakers with the required rated current and of
the specified type (normal blow, time delay, etc.) are used for
replacement. The use of repaired fuses and the short-circuiting of fuse
holders must be avoided.
4. Electrical energy available at many points may result in personal injury
or death if touched. Any adjustment, maintenance, and repair of the
opened equipment while power is applied shall be avoided as much as
possible, however some maintenance described in this manual is
performed with power supplied to the equipment while protective
covers are removed. When repair with power applied is unavoidable,
only a skilled person who is aware of the hazard involved shall carry
out maintenance. Do not attempt internal service or adjustment unless
another person, capable of rendering first aid and resuscitation, is
present.
5. Do not install, substitute parts or perform any unauthorized
modification to the equipment.
6. Make sure the input voltage selection on the Ferroresonant
transformer assembly matches the line voltage before applying power
to the unit.
Capacitors inside the equipment may still be charged after the equipment has
been disconnected from its power source, even though the equipment was
designed to drain charge from the capacitors when power is removed. Do not put
hands or tools in the Flash-head if the High Voltage Indicator neon lamp NE1 is
ON, which is located on the High Voltage Circuit Board. (Refer to Figure 2.2-3)
7. Do not confuse the High Voltage Indicator NE1, with the POWER ON
Indicator located on the Ferro resonant Transformer Assembly. It is
possible for the High Voltage Indicator NE1 to be ON After the main
AC power to the unit is turned OFF (POWER ON Indicator is OFF). If
this happens, the energy stored in the capacitor Assembly must be
discharged before performing maintenance.