SENTRY
_UM_9752066010_NL_D_GB_F_V2_2
18
9. Faults
Warning:
When carrying out work on the equipment:
de-energise the equipment.
Problem
Cause
Remedy
Indicator lamp (HV
indicator) stays dark.
No mains voltage
Connect mains voltage
Faulty (POWER) switch
Replace the switch
Faulty lamp (HV indicator)
Replace lamp
No ionization / high voltage
(HV indicator lamp stays
dark)
HV wiring interrupted
Restore wiring
Faulty HV transformer
Replace HV transformer
Operation (reduced
ionization)
Fouling of emitter points
Clean the emitter points
Fan does not operate (no
air flow)
No voltage on fan
Find cause and remedy
Faulty fan
Replace the fan
Insufficient air flow
Filter fouled and/or clogged Clean or replace filter
Table 1: faults
10. Repair
Warning:
When carrying out work on the equipment: De-energise the equipment.
Repairs shall be made by a skilled electrical engineer.
When opening the Sentry
you may touch parts under hazardous voltage.
Ion emission has been balanced in the design of the Sentry
. The ion balance cannot be
adjusted and special measuring equipment is needed for checking.
Simco-Ion recommends that you return the Sentry
for repair.
Pack it properly and clearly state the reason for return.
