MAHLE RTI RHS700 - Manual (Page 20)

- 10.2 -
Trouble shooting
C:\RHS Computer Files\Instructions\RHS\GB\645-40\0009A-01.doc 1997.03.26
RHS 700
Evacuation process:
Problem Fault
Remedy
Vacuum pump does not
run 1. RHS 700 not cut in
2. Overpressure in A/C unit
3. Internal component fault 1. Cut in RHS 700
2. Cut in recovery process
3. Contact RHS 700 supplier
Vacuum pump runs but
does not build up enough
vacuum 1. Service couplings not fitted correctly
2. A/C unit defective/leaking
3. Internal component fault 1. Fit service couplings correctly
2. Repair A/C unit
3. Contact RHS 700 supplier
Charging process:
Problem Fault
Remedy
No refrigerant flow 1. High-pressure valve on service coupling
not opened
2. Internal component fault
3. Charging cylinder empty
4. A/C unit not evacuated
5. Heating element defective
6. Thermal protector defective
1. Open valve
2. Contact RHS 700 supplier!
3. Connect a refrigerant cylinder and use the
recovery process
4. Recover the A/C unit again and then
evacuate it
5. Contact the RHS 700 supplier
6. Contact the RHS 700 supplier