QUANTUM™ HD UNITY SYSTEM CONTROLLER
MAINTENANCE
090.670-M (APR 2020)
Page 2
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Table Of Contents
Section 1 - Introduction
General information ..........................................................6
Introduction To The Quantum
™
HD Unity System
Controller ...................................................................6
Components ............................................................. 6
Basic troubleshooting ............................................... 6
What to do before calling the factory ....................... 7
System Controller Drawings ....................................... 7
Section 2 - Q5 Processor and Interface Board
Q5 Processor Board ........................................................ 12
Preface ....................................................................... 12
Features ..................................................................... 12
Power Up Sequence ................................................... 12
Troubleshooting .......................................................... 12
Battery Function .........................................................13
Battery Replacement .................................................. 13
Q5 Interface Board ..................................................... 13
Q5 Processor Board Jumpers, LEDs, and Connectors .15
Interconnections .........................................................17
Power Supplies ........................................................... 18
Description ............................................................. 18
Measuring voltages ................................................18
Adjustment ............................................................. 18
Section 3 - Q6 Processor and Interface Board
Preface ....................................................................... 20
Features ..................................................................... 20
Power up Sequence....................................................20
Troubleshooting .......................................................... 20
Battery Function .........................................................20
Battery Replacement .................................................. 21
Q6 Processor Board Jumpers, LEDs, and Connectors .23
Reset IP Address to Default ........................................24
Section 4 - Digital Board
Digital Board ...................................................................28
Preface ....................................................................... 28
Communications LEDs ................................................ 28
Connections to the Q5 and Q6 Processor Board ........ 28
Logic voltage (power) LED ......................................28
Active LED .................................................................. 28
Digital Inputs ..............................................................28
Digital Outputs ...........................................................29
Checking the Digital Inputs and Outputs .....................29
Fuse Testing and Replacement ................................... 29
Input and Output Module Testing and Replacement ... 29
Troubleshooting an Output ......................................... 30
Troubleshooting an Input ............................................ 30
Replacing a Defective Digital Board ............................30
Diagrams .........................................................................31
Digital Board Settings ................................................. 39
Communications settings .......................................39
Dipswitch settings ..................................................39
Section 5 - Analog Board
Analog Board ..................................................................42
Analog Board Settings ................................................ 49
Communications settings .......................................49
Dipswitch settings ..................................................49
Jumper settings ......................................................49
Section 6 - Service Screens
Service – Diagnostics .................................................52
Service – Communications .........................................53
Service – Software – Saving setpoints ....................... 54
Service – Software – Restoring setpoints .................. 55
Service – Software – Deleting setpoints .................... 56
Service – Software – Upgrade software.....................57
Service – Software – Touchscreen calibration ...........58
Additional maintenance page – About .......................58
Section 7 - Troubleshooting
Troubleshooting .......................................................... 59
Section 8 - Replacement Parts
Replacement parts list ................................................ 61