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l) Booster Tank Error (b1)
• If the booster tank error input contacts stay open for more than 2 seconds, "b1" appears in
the display, and the buzzer sounds.
• If the booster tank error input contacts stay closed for more than 2 seconds, the alarm
resets.
Note: The booster tank error input must be connected to indicate this error code.
Booster tank sends error signal.
b 1
Code Error
Item Possible Cause Remedy
Continues.
Operation
Defective. Repair or replace.
Connection Cable
Open circuit. Repair or replace.
Connector not properly
connected.
Reconnect.
Defective. Replace.
Booster Tank
Control Board