Dove Systems DM 624 RM User Manual

Page 6

SYMPTOM: Some channels flicker
Possible cause:

Action to take:

*Intermittent connection in

Recheck all connections.

control or load lines

*SCR or control circuit failure

Replace SCR module or card

*Slide controls are broken

Have slide control replaced. Treat temporarily

or dirty

with WD-40 or Tri-flow.

SYMPTOM: Some channels ghost
Possible cause:

Action to take:

*Trim out of adjustment

Adjust trimmers R16, R15, or R27

TO CHANGE AN SCR MODULE OR SSR: 1. DISCONNECT POWER FROM DIMMER. 2. REMOVE FIVE
SCREWS BINDING TOP PANEL TO SIDE PANELS AND BACK. 3. REMOVE CONNECTIONS FROM THE
SUSPECT SCR MODULE. THERE ARE SIX MODULES WITH TWO CHANNELS IN EACH. THE MODULE
CLOSEST TO THE FAN IS CHANNELS 1 AND 2. 4. REMOVE SCREWS BINDING MODULE TO HEAT
SINK AND REPLACE MODULE. 5. REASSEMBLE IN REVERSE ORDER OF DISASSEMBLY.

TO CHANGE THE CIRCUIT CARD: 1. DISCONNECT POWER FROM DIMMER. 2. UNSCREW FOUR
CAPTIVE SCREWS HOLDING CIRCUIT BOARD PANEL TO FRONT PANEL. 3. SLIDE CARD OUT. SET
JUMPERS AND SWITCHES ON REPLACEMENT CARD TO MATCH. 4. SLIDE REPLACEMENT CARD IN
UNTIL IT SEATS INTO EDGE CONNECTOR AND SCREW DOWN.

Users with further technical questions may call the factory at (805)541-8292. NOTE: DOVE SYSTEMS DIMMER
PACKS USE TRADE SECRET AND PROPRIETARY CIRCUITY. FOR THIS REASON, SCHEMATICS
CANNOT BE RELEASED FOR THIS PRODUCT. To obtain service, pack the unit with the original packing
materials or crushed newspaper and return it, freight prepaid, to:

Dove Systems

(The repair process is expedited when you include: a note

3563 Sueldo Street Unit E

describing the problem; your daytime phone number; and your

San Luis Obispo, CA 93401

return UPS shipping address.)

3. WARRANTY INFORMATION

The manufacturer agrees that the Dimmermaster 624 shall be free from defects in material or workmanship from date
of shipment over a period of one year. Said warranty will not apply if equipment is used under conditions of service
for which it is not specifically intended. The manufacturer is not responsible for damage to its apparatus through
improper installation, physical damage, or poor operating practice.

If any device is found unsatisfactory under the warranty, the buyer should notify the manufacturer, and after
receipt of shipping advice, buyer may return it directly to Dove Systems, San Luis Obispo, CA, shipping prepaid.
Such equipment will be replaced or put in proper operating condition, free of all charges except transportation.
The correction of any defects by repair or replacement by the manufacturer shall constitute fulfillment of all
obligations to the purchaser. Manufacturer does not assume responsibility for unauthorized repairs to its
apparatus, even though defective.

Manufacturer shall not be liable for any consequential damage in case of any failure to meet the conditions of
any warranty of shipping schedule, nor will claims for labor, loss of profits, repairs, or other expenses incidental
to replacement be allowed.

No other representations, guarantees or warranties, expressed or implied, are made by the manufacturer in
connection with the manufacture and sale of its equipment. This warranty is non-transferable and applies to the
original buyer only.