Bacharach RDM800 warranty HGM300 Voltage Check, Connector J9

SECTION 7

Z3 – 15 VDC

HGM300 Voltage Check

Red Blinking LED

Indicates Communication

Functioning

Bench resistance

Is about 1.0 ohms

Z2 + 15 VDC

NOTE- Z1, Z2 & Z3

+ POS NEG -

2 RED LEDS POWER SUPPLY INDICATORS TOP +15 VDC SECOND -15VDC

Z1 Voltage +5VDC

Connector J9

Pin (-) 1 to Pin 10 (+)

+5 volts DC (Communication voltage)

Pin (-) 1 to Pin 8 (+) -15 volts DC

Pin (-) 1 to Pin 9 (+) +15 volts DC (Bench voltages)

1 RED LED POWER SUPPLY INDICATOR +5vdc

1 ORANGE LED POWER SUPPLY INDICATOR LOCATED AFTER 1 AMP FUSES

JUMPER FROM POWER SUPPLY

WIRE 1 AND 2 ARE 5 V DC TO WIRE 4 OR 5

Note –If no +15 volts the top red led on the power supply will be out. Disconnect the top jumper from the power supply to the main PC board. If the top led is now on the problem is in the HGM300 main PC board.

Rev 3/2/09 12