2009 by ELTRA GmbH Germany – July 2009 – Service Manual Thermostep
Page 3
SERVICEAMANUAL
Thermostep TGA
1. Starting Up
1.1
Installation of Carouseladaptor
1.2
Insertion of Carousel, Speed of lifting up and down, Sensors
1.3
Measurement of grounding conductor resistance
1.4
Measurement of insulating resistance
1.5
Instalation of PC
1.6
Programming of Balance, Adjustment of glass chimney
1.7
Control of voltages
1.8
Measurement of reference temperature
1.9
Regulation of gaspressure, flow
1.10
Purging port
1.11
Internal blower
1.12
Motorsensors
1.13
Calibration of homeposition
1.14
Control of cushioning
1.15
Opening and closing of cover, sensor adjustment
1.16
External blower
2. Malfunctions
2.1
Initialisation test failed
2.2
No rotation of caroussel
2.3
Cover doesn’t close/open
2.4
Balance unstable
2.5
Crucibles/Lids cannot be lowered/lifted
2.6
Junk
2.7
Stage not finished or prolonged
2.8
No Gaspressure, no Oxygen, no Nitrogen
2.9
No communication between PC, Analyser and/or Balance
2.10
Cover opens at 650°C completely
2.11
Cover closes during cooling
3. Service
3.1
External Temperature measurement
3.2
Change of a valve at the manifold
3.3
Change of carousel cylinder
3.4
Change of cover cylinder
3.5
Change of board
3.6
Change of internal blower
3.7
Change of cylinder of internal blower
3.8
Change of balance
3.9
Change of thermocouple
3.10
Change of motor
3.11
Change of power supply