RPR-4000
Operations manual
REV 8-21 43
‘PUL. COMM. ERR’ and ‘REC. COMM. ERR’
The internal communications link between the control module and the pulser or receiver module
has been broken or is corrupt. Cycling the AC power may reset this condition.
If this condition continues to appear, do not use the unit and contact
RITEC or your authorized representative.
‘O.T. DEC DUTY CYCLE’
The High Voltage power supply is in an over-temperature condition, the HV power has been
turned off and the alarm turned on. The operator must decrease the duty cycle. If doing so does
not enable the HV power supply a cooling off period will be required. The alarm will be turned
off when the duty cycle has been decreased and the temperature is within acceptable limits.
‘O.C. DEC DUTY CYCLE’
An over-current event has occurred. The High Voltage power supply is in an over-current
condition, the HV power has been turned off and the alarm turned on.
The operator must decrease the burst duty cycle. If doing so does not enable the HV power
supply a cooling off period will be required.
The alarm will be turned off when the duty cycle has been decreased and the high voltage power
supply current draw is within acceptable limits.
The operator has 3 ways of decreasing the duty cycle:
Reduce the number of burst cycles (P.W. CYCLES)
Reduce the burst width in μs (P.W. USEC)
Reduce the repetition rate(RR)
‘O.V. SET RF/BI’
An over voltage event has occurred on the RF pulser output, and the burst peak voltage has
exceeded the programmed limit. The burst voltage was automatically decreased and the alarm
turned on.
The operator must readjust the RF and/or Bias settings if Tracking is not in effect.
The alarm will be turned off when the RF or Bias settings are within acceptable limits.
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