Acuster BEAT HF, Руководство пользователя

Страница: 53 / 65

USER MANUAL
BEAT HF
Edition: January 2016
Revision: No. 4
TROUBLESHOOTING - 53
CHAPTER 4: TROUBLESHOOTING
4.1 GENERAL
All maintenance and repair work of the BEAT HF electrofusion units is to be carried out
by qualified personnel. Full guarantees are obtained by shipping the unit to the Grupo
Acuster After-Sales Service, both for the yearly revision and for repairing any fault that
may have occurred in the unit.
4.2 DISPLAY ERROR MESSAGES
4.2.1 Input voltage/frequency:
The input voltage/frequency is valued differently according to the process being done at
the time.
1. Verification before fusion process:
With the unit in the initial screen the input voltage is checked. If the input
voltage/frequency is outside the established tolerances (min. 180Vac / max. 270Vac and
min. 40Hz / max. 70Hz, respectively), the screen will show:
nnnn hh:mm
Power supply error
vvv V ff Hz tt
/
C
Fusion impossible
This message is displayed when the input voltage or
frequency are outside tolerance:
Upper limit: 270 Vac / 70 Hz
Lower limit: 180 Vac / 40 Hz
Check the power source and correct the defect. It is not necessary to switch the unit off
and switch it on again to refresh the input voltage. Once the lower limit is overpassed the
unit is reenabled at 200 Vac and 45 Hz (depending of which is the cause) and decreased
the upper limit, the unit is reenables at 250 Vac and 65 Hz (depending of which is the
cause).
2. Verification during the electrofusion cycle:
Once the electrofusion cycle has started, the unit is continually checking the input voltage
until the cycle end. During the electrofusion cycle, the lower limit goes down to 140 V
whereas the upper limit is increased up to 280 V. If an input voltage below the 140 V is
detected by the unit, the display will show the following message:
nnnn hh:mm
40.0 V 0075s 2.25 S
xxxxs
Power supply error
Where xxxxs corresponds to the remaining cycle time
at the moment of stopping.
The power supply error is displayed to an input voltage
of # 140 V and $ 280 V detected by the unit.
Check the power source (generator), connections, state of fitting, etc. and correct the
defect. It is not necessary to switch the unit off and switch it on again to refresh the input
voltage.