60
Armstrong International
Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium
armstronginternational.com/brain
Temp 49˚C
Temp 49˚C
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 the batteries are at or disconnected.
Check for the following:
• Battery is connected to PCB
• Battery connections, signs of wear or debris /
corrosion
• Batteries are at minimal power or at
Replace batteries (see Preventative Maintenance
and Fitting Spare Parts on page 42. Do not use
rechargeable batteries)
Temp 49˚C
Temp 49˚C
+
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 - D45787 Cable Loom
2. P/N - D57395 Electronics Module
3. P/N - D51821 Magnetic Rotor
4. P/N - D45786 Stepper Motor
see pages 43-50.
Temp 49˚C
Temp 49˚C
Temp 49˚C
+
+
Temp 49˚C
Temp 49˚C
+
Indicates thermistor / cable loom failure. Turn power
off 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 - D57395 Electronics Module
see pages 44-46.