22 Status LEDs (Remote only) 106
23 Troubleshooting 107
23.1 Leak detection 107
23.2 Error codes 108
23.3 Error Indication (Remote only) 109
24 Technical support 110
25 Drive maintenance 111
26 Pumphead Replacement (qdos 30) 112
26.1 Connecting interface tubing 115
27 Pumphead Replacement (qdos 20, 60 and 120) 117
27.1 Connecting interface tubing 120
28 Ordering information 123
28.1 Pump part numbers 123
28.2 Spares and accessories 124
29 Performance data 127
29.1 Pumping conditions 127
29.2 Pressure capability 127
29.3 Dry running 127
29.4 Pumphead life 127
29.5 DC power supply option - input characteristics 127
29.6 Performance curves 128
30 Trademarks 129
31 Publication history 130
m-qdos-en-02 4