Part # MCOSM06 Rev 1 (11/03/08)
Page 93
Page 7 of 9
1-800-427-6668 www.garland-group.com
Fax: 1-800-361-7745
From: Parts and Service Division
Date: September 25, 2001
To:
All Authorized Service Agencies
SUBJECT: Convection Oven Keypad Test Points
Models Affected: Garland convection ovens with 300, 410, 450, 455, 470,
475 Controls.
US Range convection ovens with 30, 41, 45, 45+ controls.
There have been a large number of keypads returned as failed to Garland under warranty. A large
number of those returned and tested showed no faults.
The attached test points are a useful service tool to better determine if the problem is with the keypad,
controller, relay board assembly or other.
The attached pages shows the
PIN-OUT
test points for the keypad used on the above Garland & US
Range convection ovens.
When servicing a unit with reported erratic or non-responsive controls, test the keypad first.
NOTE: Consult operations manual to confirm unit is in normal operations
mode.
I.e. “
unit will not turn off”
. Unit will not go to OFF mode until oven cavity temperature
drops below 150
°
F. This is a normal operation of the controller in the
auto cool
down
mode.
BULLETIN B-107-2001
Summary of Contents for Master 200
Page 2: ...Page 2 Part MCOSM06 Rev 1 11 03 08...
Page 4: ...Page 4 Part MCOSM06 Rev 1 11 03 08...
Page 5: ...Part MCOSM06 Rev 1 11 03 08 Page 5 Section One Operation Manual...
Page 27: ...Part MCOSM06 Rev 1 11 03 08 Page 27 Section Two Electronic Pilot Main Burner...
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Page 39: ...Part MCOSM06 Rev 1 11 03 08 Page 39 Section Three Temperature Calibration...
Page 43: ...Part MCOSM06 Rev 1 11 03 08 Page 43 Section Four Convection Oven Components...
Page 54: ...Page 54 Part MCOSM06 Rev 1 11 03 08 RELAY BOARDS...
Page 56: ...Page 56 Part MCOSM06 Rev 1 11 03 08 Motor Relay Board 15 12 9 6 3 14 11 8 5 2 13 10 7 4 1...
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Page 59: ...Part MCOSM06 Rev 1 11 03 08 Page 59 Section Five Trouble Shooting...
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Page 67: ...Part MCOSM06 Rev 1 11 03 08 Page 67 Section Six Service Bulletins...
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