Bryant 619PHA Series User Manual

28 Specifications subject to change without notice. SM619PHA-03
E1 (Indoor and Outdoor Unit Communication Error)
Description: The indoor unit has not received feedback from the outdoor unit for 150 seconds, four consecutive times.
Recommended parts to prepare:
• Indoor PCB
• Outdoor PCB
• Reactor
Troubleshooting and Repair:
Does the problem remain? The unit is operating normally.NO
Measure Vs . ( Vs is the voltage between S and N on
the outdoor unit. Red pan-S, Black pan -N)
YES
Is the voltage moving
alternately between positive and
negative?
Is it normal?
YES
Is it normal?
YES
Is the error
resolved?
NO
NO
Check the indoor wiring
connections.
Is it normal?
YES
Is the error resolved?
NO
The voltage moves alternately with
positive value.
NO
The voltage is a
certain value.
NO
Power o. Wait 2 minutes then power back on.
Check the outdoor wiring connection.
Check the reactor.
Replace the
reactor.
Replace the outdoor PCB.
Power on.
Replace the indoor PCB.
Replace the outdoor PCB.
Replace the indoor PCB.
Power on.

Bryant 619PHA Series Specifications

General

Brand	Bryant
Model	619PHA Series
Category	Air Handlers
Language	English