Webasto PosiCharge DVS Field Service Manual page 4

DVS/GSE
3.4.5 Troubleshooting Main Contactor, K1 ......................................................................38
3.4.6 Diagnosing Root Cause for Red Fault Light Illumination..........................................39
3.4.7 Troubleshooting Main 120VAC Circuit ...................................................................39
3.4.8 Troubleshooting Thermal Issues .............................................................................40
3.4.9 Testing Main Rectifier ...........................................................................................42
3.4.10 Troubleshooting Pre-Charge Circuitry.....................................................................43
3.4.11 Testing Relays K2 and K3......................................................................................43
3.4.12 Testing Rectifiers D2 and D3..................................................................................46
FIGURES
Figure 1. DVS Compartments...............................................................................................10
Figure 2. Cabling Between Cabinets .....................................................................................33
Figure 3. Power Supply Cabinet Main Control Panel
Figure 4. Power Supply Cabinet Status Indicator Lights .........................................................35
Figure 5. Line-to-Line Test Points ........................................................................................37
Figure 6. Fuses F1, F2 and F3...............................................................................................37
Figure 7. Main Contactor, K1...............................................................................................38
Figure 8. Main 120VAC Transformer, T3 .............................................................................39
Figure 9. Exhaust Fan Detail ................................................................................................41
Figure 10. De-Misting Balls .................................................................................................41
Figure 11. Rectifier Connections to Transformer....................................................................42
Figure 12. D1 DC Connections .............................................................................................43
Figure 13. Relays K2 and K3................................................................................................44
Figure 14. Rectifiers D2, D3.................................................................................................46
TABLES
Table 1. Symptoms and Action Key...................................................................................12
Table 2 Fault Codes and Action Key...................................................................................14
Table 3. Charge Termination Codes ..................................................................................22
Table 4. Power Supply Cabinet Fie ld Replaceable Parts....................................................36
Table 5. Transformer T3 Expected Voltages......................................................................40
Table 6. Relay System Test Points and Expected Values....................................................45
09030-78B
GSE
.......................................................34
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DVS
Field Service Manual