MartinLogan MAC 500/E user manual Tr o u b l e s h o o t i n g, Problem Probable causes Remedy

Page 32

Tr o u b l e s h o o t i n g

Problem

Probable cause(s)

Remedy

 

 

 

 

No power to fixture.

Check that power is switched on and cables

 

are plugged in.

 

 

One or more of the fixtures

 

 

Primary fuse blown (located at the mains

Disconnect fixture and replace fuse.

is completely dead.

inlet cable).

 

 

 

 

 

Secondary fuse(s) blown (located on

Disconnect fixture. Check fuses on PCB and

 

PCB inside base).

replace.

 

 

 

Fixtures reset correctly but

The controller is not connected.

Connect controller.

 

 

XLR pin-out of the controller does not

 

all respond erratically or not

Install a phase-reversing cable between the

match pin-out of the first fixture on the

at all to the controller.

controller and the first fixture on the link.

link (i.e. signal is reversed).

 

 

 

 

 

 

 

Inspect connections and cables. Correct poor

 

Bad data link connection

connections. Repair or replace damaged

 

 

cables.

 

 

 

 

Data link not terminated with 120Ω termi-

Insert termination plug in output jack of the

 

nation plug.

last fixture on the link.

 

 

 

Fixtures reset correctly but

Incorrect addressing of the fixtures.

Check fixture address and protocol settings.

 

 

 

Bypass one fixture at a time until normal oper-

some respond erratically or

 

not at all to the controller.

One of the fixtures is defective and dis-

ation is regained: unplug the XLR in and out

 

connectors and connect them directly

 

turbs data transmission on the link.

 

together. Have the fixture serviced by a quali-

 

 

 

 

fied technician.

 

 

 

 

XLR pin-out on fixtures does not match

Install a phase-reversing cable between the

 

fixtures or swap pins 2 and 3 in the fixture that

 

(pins 2 and 3 reversed).

 

behaves erratically.

 

 

 

 

 

Magnetically indexed effect

 

 

resets correctly but wanders

Effect wheel or magnetic sensor requires

Disable effects feedback (page 13). Contact

after fixture reaches operat-

mechanical adjustment.

Martin technician for service.

ing temperature.

 

 

 

 

 

 

The transformer setting does not match

Disconnect fixture. Check transformer setting

Mechanical effect loses

local voltage.

and correct if necessary.

position.

Mechanical train requires cleaning,

Contact Martin technician for service.

 

adjustment, or lubrication.

 

 

 

 

 

Lamp fails to strike after

 

Send LAMP OFF command before sending

turning the fixture off and on

Electronic ballast does not recognize

another LAMP ON command. The lamp will

again, or after a power fail-

that the lamp is off.

strike after an 8 minute delay. See protocol for

ure. (MAC 500 E)

 

override if dLOF is set to OFF

 

 

 

 

The ballast and transformer settings do

Disconnect fixture. Check ballast and trans-

 

not match local AC voltage and fre-

No light and “LERR” error

former settings and correct if necessary.

quency.

 

message displayed.

 

 

Lamp blown

Disconnect fixture and replace lamp.

 

 

 

 

 

Lamp not installed

Disconnect fixture and install lamp.

 

 

 

 

 

Allow fixture to cool.

 

Fixture is too hot.

Reduce ambient room temperature.

Lamp cuts out intermittently.

 

Recalibrate temperature sensors.

 

 

The ballast and transformer settings do

Disconnect fixture. Check ballast and trans-

 

 

not match local AC voltage and fre-

 

former settings and correct if necessary.

 

quency.

 

 

 

 

 

32

MAC 500/E User Manual

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Contents
MAC 500/E Page Introduction C t i o n T R O D U C T I O NC 5 0 0 / E s a f e t y i n f o r m a t i o n P a c k i n g Install i n g o r c h a n g i n g t h e l a m pT U P Install a p l u g o n t h e p o w e r c o r d Wire Pin Marking Screw USW e r i n g t h e f i x t u r e G g i n gN n e c t i n g f i x t u r e s N n e c t i n g t h e s e r i a l l i n kP s f o r b u i l d i n g a s e r i a l l i n k Page E R a T I O N R t i n R S 4 8 5 c o n t r o lX 5 1 2 c o n t r o l Tr a c k i n g c o n t r o lN t r o l l a b l e e f f e c t s T a t i n g g o b o s I sT a t i n g p r i s m / v a r i a b l e f r o s t M m e r / s h u t t e rN T R O L P a N E L N u n a v i g a t i o nR s o n a l i t y s e t t i n g s D r e s s a n d p r o t o c o l s e l e c t i o n A d o u t sN u a l c o n t r o l A n d a l o n e s e q u e n c e sS e t d e Fault o f f s e t s SPEC/dFOF I l i t i e sL i b r a t i o n C a L L o a d m o d e UPLdB o Specification s B O S a N D C O L O R F I L T E R SB o o r i e n t a t i o n a n d p o s i t i o n s A s s g o b o sO s e r o t a t i n g g o b o f i Fault g o b o l a y o u tT a l a n d i m a g e g o b o s A n g i n g r o t a t i n g g o b o s A n g i n g s t a t i c g o b o sT h o u t t o o l s T h n e e d l e n o s e p l i e r sFault c o l o r f i l t e r p o s i t i o n s A n g i n g c o l o r f i l t e r sI N T E N a N C E a N D B a S I C S E R V I C E C e s s i n g p a r t sM o v i n g t h e p r i n t e d c i r c u i t b o a r d E n i n g t h e h e a dC 5 0 0 w i t h m a g n e t i c b a l l a s t P l a c i n g f u s e sA n g i n g t h e X L R p i n o u t O t m o d e u p l o a d C 5 0 0 E w i t h e l e c t r o n i c b a l l a s tR m a l u p l o a d A n g i n g l e n s e s P l a c i n g t h e l a m pT i m i z i n g l a m p a l i g n m e n t I n t e n a n c e s c h e d u l eE a n i n g B r i c a t i o nT i c a l c o m p o n e n t s N sP E N D I C E S X p r o t o c o lDMX Channel Start code = Percent Function Alternate Functions Enable on channel Value Percent FunctionFixed Gobos Value Combined Rotating Prism and Gobo MacrosS s a g e s Display readout Appears if What to doProblem Probable causes Remedy Tr o u b l e s h o o t i n gR c u i t b o a r d l a y o u t Specification s C e s s o r i e s MAC 500 DMX Protocol
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