TABLE OF CONTENTS
Vector™ H Serie s ▪ S ervice M an ual ▪ MN-4 6 543 ▪ R ev 01 ▪ 11/ 1 9
6
Maintenance 57
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
How to Clean the Oven. . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Testing 63
How to Test the Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . 63
How to Test the Blower Motors . . . . . . . . . . . . . . . . . . . . . . 65
How to Test the Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . 68
How to Calibrate a Chamber Thermocouple . . . . . . . . . . . . . . 71
Troubleshooting 75
Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
The Oven will not Power Up . . . . . . . . . . . . . . . . . . . . . . . . 76
The Screen will not Turn On . . . . . . . . . . . . . . . . . . . . . . . . 78
The Screen will not power down or
the oven will not enter cool down mode . . . . . . . . . . . . . . . . . . 79
The Screen is Solid White . . . . . . . . . . . . . . . . . . . . . . . . . 80
The Screen is not Responsive/Incorrect
Response to the Selected Icon . . . . . . . . . . . . . . . . . . . . . . . . 81
The Screen has Icons, but no Text . . . . . . . . . . . . . . . . . . . . 82
The Striped Screen is Locked—Continuous . . . . . . . . . . . . . . . 83
Chamber(s) do not Heat—Solid State Relay
(SSR) Control Voltage not Present . . . . . . . . . . . . . . . . . . . . . . 84
The Chamber(s) do not Heat—Heater Element
Line Voltage (SSR is Energized). . . . . . . . . . . . . . . . . . . . . . . . 86
The Chamber is Slow to Heat . . . . . . . . . . . . . . . . . . . . . . . 89
A Single Chamber Blower Fan does not Operate . . . . . . . . . . . . 90
All Chamber Blower Fans do not Operate . . . . . . . . . . . . . . . . 91
Chamber Light do not Illuminate . . . . . . . . . . . . . . . . . . . . . 92
The Check Fan Indicator Light is Illuminated . . . . . . . . . . . . . . 93
The Cooling Fan(s) do not Operate . . . . . . . . . . . . . . . . . . . . 94
Assembly/Disassembly 97
Removing and Installing the Blower Motor . . . . . . . . . . . . . . . 97
Removing and Installing a Heater Element . . . . . . . . . . . . . . . 99
Schematics 101