Appendix A
Page 63
8837apdx_trouble.fm
Troubleshooting
Troubleshooting Flow Chart, continued
Is the compressor
physically running?
NO
Is the 'comp on' LED
lit in the PS / TC box?
YES
NO
Is nominal 5 VDC present
at TP2 in the PS/TC box?
Is AC line voltage present
at TB5 in the PS/TC box?
Compressor
Assembly
YES
Check terminal block
connections on PS/TC
assy.
NO
Power Supply / Thermal
Control Assy.
Sampler
Controller
Check terminal block
connections on PS / TC
assy.
NO
YES
YES
Power Supply / Thermal
Control Assy.
Is door ajar?
Is door gasket ok?
Is fan running?
Is condensor dirty?
Are louvers/screens
clean and free
of debris?
YES
Check compressor
assy. current draw
Compressor
Assembly
Check refrigerant
charge
Содержание SIGMA 900
Страница 2: ...Visit http www hach com...
Страница 14: ...Visit http www hach com...
Страница 22: ...Visit http www hach com...
Страница 26: ...Visit http www hach com...
Страница 32: ...Visit http www hach com...
Страница 34: ...Visit http www hach com...
Страница 64: ...Visit http www hach com...
Страница 84: ...Visit http www hach com...
Страница 86: ...Visit http www hach com...
Страница 88: ...Visit http www hach com...
Страница 94: ......