Veris-technologies MSP3 - Operating Instructions Manuel d'utilisateur télécharger pdf (Page 104)

Pub. #OM17-MSP3

6-30

Figure 12.2 External Controller circuit board (metal cover removed)

2. Turn off power to External Controller, remove clear lid and remove and replace any fuse

that has failed.

3. Check voltage with a digital voltmeter at power supply connection

All functions must be engaged during this test. In manual mode turn on wash pumps and cycle

sampler shoe hydraulics while holding voltmeter leads on power supply connector shown in Figure

3. Keep moisture from entering External Controller. It may be necessary to reposition the spray

nozzles or shield the overspray from the Controller. It is critical that the pumps are under full load

(pumping water through the nozzles) during this test. Be careful to not let your fingers or voltmeter

leads touch any other component inside the External Controller.

POWER (12V)

FUSE 2 (10A)

and its LED

FUSE 1 (500 mA)

and its LED

5V 2

12V C

Figure 12.3 Using

voltmeter to check

voltage at External

Controller power supply

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Veris-technologies MSP3 - Operating Instructions Manuel d'utilisateur Page 104