Armstrong The Brain DRV80 User Manual

57
Armstrong International
221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA
Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130
Temp 120˚F
Error Thermistor
Temp 120˚F
Error Check 4
+
Indicates thermistor / cable loom failure. Turn power o󰀨
for 10 seconds and restart. If the error persists, check
for the following.
• Connectors from DRV to electronics module are
disconnected or wet
• Thermistors are loose
If the problem persists, replace the thermistor loom.
P/N - D77504 Thermistor Loom, or
P/N - D51817 Electronics Module
se pages 40-43.
Temp 120˚F
Error Temp 3
Temp 120˚F
Error Temp 7
Outlet temperature exceeds the Error Temp value. This
condition causes the DRV80 to switch to full cold. Check
for the following:
• Internal seal damage
• Debris in the internal mechanism
• Internal mechanism damaged / disconnected
Indicates motor / cable loom failure or a malfunction
of the positioning sensor. Reset the DRV80. If the error
persists, check for the following:
• Electronics module is assembled to the DRV
correctly
• Dirt or debris in gear mechanism
• Dirt or debris around motor
• Motor is disconnected
• Magnetic rotor is not coupled to the motor
• Proportioning Assembly is sticking or has seized
• Motor is loose
• Gear Drive assembly is loose
Replace in the following order if the problem still persists
after each:
1. P/N - D51822 Cable Loom
2. P/N - D51817 Electronics Module
3. P/N - D51821 Magnetic Rotor
4. P/N - D45786 Stepper Motor
see pages 40-47.
Temp 120˚F
Error Drive
Temp 120˚F
Error Check 60
Temp 120˚F
Error Check 70
+
+

Armstrong The Brain DRV80 Specifications

General

Brand	Armstrong
Model	The Brain DRV80
Category	Control Unit
Language	English