Martin RoboScan Pro 918 Specifications download pdf (Page 29)

RoboScan Pro 918

appendix c

TROUBLESHOOTING

Problem Probable cause(s) Remedy

One or more of the fixtures is

completely dead.

No power to fixture.

Check that power is on and cables are plugged

in.

Primary fuse blown.

See “Changing voltage and frequency settings”

on page 18.

Secondary fuse(s) blown.

Filter/power protection fuse blown.

Fixtures reset correctly but all

respond erratically or not at

all to the controller.

The controller is disconnected from the

data link.

Connect controller.

XLR pin-out of the controller does not

match pin-out of the first fixture on the link

(i.e. signal is reversed).

Install a phase-reversing cable between the

controller and the first fixture on the link.

Fixtures reset correctly but

some respond erratically or

not at all to the controller.

Bad data link connection

Inspect connections and cables. Correct poor

connections. Repair or replace damaged

cables.

Data link not terminated with

120

Ω

termination plug.

Insert termination plug in output jack of the last

fixture on the link.

Incorrect addressing of the fixtures. Check fixture address and protocol settings.

One of the fixtures is defective and dis-

turbs data transmission on the link.

Bypass one fixture at a time until normal oper-

ation is regained. Do this by unplugging the

XLR in and out connectors and connecting

them directly together. Have the fixture ser-

viced by a qualified technician.

XLR pin-out on fixtures does not match

(pins 2 and 3 reversed).

Install a phase-reversing cable between the fix-

tures or swap pins 2 and 3 in the fixture that

behaves erratically.

Magnetically indexed effect

resets correctly but wanders

after fixture reaches operat-

ing temperature.

Effect wheel or magnetic sensor requires

mechanical adjustment.

Disable effects feedback (page 10). Contact

Martin technician for assistance.

No light and “LERR” error

message displayed.

The ballast and transformer settings do

not match local AC voltage and frequency.

Disconnect fixture. Check ballast and trans-

former settings and correct if necessary.

Lamp blown Disconnect fixture and replace lamp.

Lamp not installed Disconnect fixture and install lamp.

Lamp cuts out intermittently.

Fixture is too hot.

Allow fixture to cool.

Reduce ambient room temperature.

Recalibrate temperature sensors.

The ballast and transformer settings do

not match local AC voltage and frequency.

Disconnect fixture. Check ballast and trans-

former settings and correct if necessary.

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Martin RoboScan Pro 918 Specifications Page 29

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