bonitron Legacy M3534R-RY, Руководство для пользователей

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User’s Manual
31
5.2. M
AINTENANCE
I
TEMS
5.2.1. C
APACITOR
R
EPLACEMENT
R
ECOMMENDATIONS
5.2.1.1. C
LEANING
Cleaning cycle depends entirely upon surrounding environment and
quality of air inside cabinet.
Cleaning off dust, debris, or chemical build-up on high voltage bus bars
or other exposed components may be necessary. If cleaning is needed:
1. Remove power and allow all voltages to drain.
2. Check for residual voltages with meter.
3. Clean affected areas with rag, brush, or denatured alcohol,
depending on the type of contamination.
4. Once area is clean and dry, reapply power.
5.2.1.2. F
ANS

Fans run only while RT is active and should have a life of 20 years if
the RT is properly adjusted.

To check operation of fan, initiate activity.

40 Amp models: Fan should run for 2-3 minutes.

85 Amp and above models: Fan should run for 30 minutes.

If fan does not run, replace with equivalent 24V fan.
5.3. T
ROUBLESHOOTING
Table 5-1: Troubleshooting Guide
S
YMPTOM
A
CTION
No LEDs

Check incoming power.
No RTR Output

Check Enable input.
Test Mode Does Not
Raise Output Voltage

Check Enable input.

Check Test input

Check incoming and outgoing fuses

Check normal DC bus voltage. If the DC bus is normally too high, the DC
bus test setpoint may not raise the output voltage
.
RTA Always On

Check DC bus threshold voltage setting.
Ride-Thru Active
Output Never Comes
On or Attached Drive
Trips On Outages

Check Enable input

Check DC link to attached drive.

Initiate Test Mode. If the test does not raise the DC bus and / or the Ride-
Thru Active output does not activate, there could be internal damage

Check power quality data to confirm sag events should have caused activity
to occur
Overtemp

Check for constant current on the negative and positive DC bus links to the
drive. Circulating currents may be overheating the unit in standby.

Check activity record
– too much activity causes overtemp
Voltage Fluctuates
During Test Mode

Check DC bus threshold voltage setting and test boost level. Overvoltage
shutdown can occur if settings are too high, causing an oscillation effect.
Lower threshold level and retry.
Stays in Test Mode

Check to make sure test input is properly configured and not active.
Precharge
Overheated

Not enough time between power up / power down during testing. Pre-charge
can only be done 3 consecutive times before overheating can occur

Check DC bus ripple voltage. Too much ripple can cause the precharge
circuit to overheat.