Arena Service Manual
5.7.2 Light-emitting Diodes (LEDs)
Table 5-9. Hydraulics Power Board LEDs
LED FUNCTION COLOR
DS1 Flow Green
DS2 +24 VDC Switched Green
DS3 +24 VDC Green
DS4 Heat Green
DS5 Purge Valve HDF Green
DS6 Bypass Green
DS7 +12 VDC Green
DS8 +5 VDC Green
DS9 -12 VDC Green
DS10 P. Prime Green
5.7.3 Test Points
Table 5-10. Hydraulics Power Board Test Points
TEST POINT VOLTAGE TESTED
TP1* +12 VDC
TP2* +5 VDC
TP3* Ground
TP4* +5 VDC
TP5* Ramp Generator
TP6 Conductivity Ref
TP7 Flow Sensor #1 (Flow Ref)
TP8* Flow Sensor #2 (Temp Ref)
TP9 Flow Control
TP10 Heat Recirculation Valve Control
TP11 Powder Valve Control
TP12 Bypass Valve
TP13 On/Off Valve
TP14 Interlock Drive
TP15 P. Prime Control
5-36 157-1278-912 Rev A
November 2003