FORM 145.15-IOM7 (412)

Current alarms or active restrictions are flashed on the microprocessor control LED.

1.LAST ERROR – When this button is pressed and released, it flashes the last five (5) flash codes on the board’s LED. The most recent alarm is shown first and the oldest alarm is shown last.

2.TEST RESET – When this button is pressed and released, any anti-short cycle delays (ASCD) are bypassed for one cycle. When pressed twice, any active lockouts are reset.

3.COMM SETUP – If the board is to be networked with other units, this button is used to set the network address. Press the button once and it scans the bus, then assigns itself the first available address, (starts at 2). It then flashes that address one time. Pressing the button twice causes the control to flash the address.

FLASH CODES

Description

 

 

On Steady

This is Control Failure

 

 

2 Flashes

Control waiting ASCD (Anti-Short Cycle Delay) *

3 Flashes

High Pressure Compressor 1 Lockout

4 Flashes

High Pressure Compressor 2 Lockout

 

 

5 Flashes

Low Pressure Compressor 1 Lockout

6 Flashes

Low Pressure Compressor 2 Lockout

7 Flashes

Condensate Overflow Switch Lockout

 

 

11 Flashes

Compressor(s) locked out due to Economizer running (Free Cooling) *

13 Flashes

Compressor Held Off due to Low Voltage

14 Flashes

EEPROM Storage Failure

 

 

OFF

No Power or Control Failure

Note: Flash rates marked with * are NOT alarms.

JOHNSON CONTROLS

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Johnson Controls CSV060B-240B installation instructions Flash Codes

CSV060B-240B specifications

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