SQ Series Portable Chiller Error Code

Error = Pr Off
Description = Brown Out Indication
Cause/Corrective Action = The Pr Off code will be indicated on the display if the chiller is running and main power is discontinued or
drops more than 10% below the normal operating voltage, the unit will shut down and the Pr OFF fault will
be indicated on the digital displays. Pressing the Power button will clear this fault condition

Error = 101
Description = EEPROM Failure
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 102
Description = A/D Converter Failure
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 103
Description = Controller serial bus failure
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 105
Description = CJC Error
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 109
Description = Unused memory byte changed
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 110
Description = Device or communication configuration change or invalid
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 111
Description = Fixed parameter associated with range invalid
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 112
Description = Setpoint out of temperature range
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 113
Description = RAM hardware failure
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 114
Description = Invalid device configuration
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 117
Description = Invalid program counter
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 118
Description = Infinite software loop detect
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 119
Description = Data direction register failure
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 120
Description = Communication data register failure
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 121
Description = Timer data register failure
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 122
Description = Hardware watchdog data register failure
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 123
Description = Option data register failure
Cause/Corrective Action = Controller requires servicing. Contact Manufacturer for repair or replacement

Error = 125
Description = Jumper for temperature controller missing
Cause/Corrective Action = The Err 125 fault code will be indicated on the digital displays if the jumper is loose or missing on the
control circuit board

Error = 126
Description = Pump overload on chiller
Cause/Corrective Action = The Err 126 fault code will be indicated on the digital displays if the pump overload has tripped. In orderto reset this fault; press the Alarm Reset button after resetting the pump overload inside the electrical enclosure.

Error = 127
Description = Compressor overload on chiller
Cause/Corrective Action = The Err 127 fault code will be indicated on the digital display if the internal compressor motor winding thermostat or the external compressor motor overload has tripped. This fault will also shut off the pump.
The internal compressor motor winding thermostat will automatically reset when the temperature drops back into the normal operating range. The external compressor motor overload must be manually reset.
The compressor motor overload is located inside the electrical enclosure. Once the internal compressor motor winding thermostat resets and/or the external compressor overload has been reset, press the Alarm Reset button to reset the fault.

Error = 128
Description = Chiller high temperature safety
Cause/Corrective Action = The Err 128 fault code will be indicated on the digital displays if the chiller has been shut off due to the high temperature safety.
This safety will shut off both the pump and compressor. This safety is triggered if the To Process temperature rises more than 10°F (5.5°C) above the maximum operating temperature for that particular chiller.
The maximum operating temperature for each chiller is noted on the nameplate. The To Process temperature must be over the limit for three minutes before this safety will be triggered, and the fault is defeated for a period of thirty minutes from the time the Start button is pressed or the Set
Point temperature is changed. Pressing the Alarm Reset button will reset this fault.

Error = 129
Description = Input Contact Chatter
Cause/Corrective Action =

Service Manual download here
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