TemperZone UC8 Troubleshooting Guide

Temperzone UC8 Troubleshooting Guide
Page 16 of 24
13. Inverter fault codes
The following fault codes apply only to units with a variable speed compressor and Carel power+
compressor driver (inverter).
Notes:
 The fault code shown on the UC8 display is F100 + the error code reported by the Power+
driver.
 For detailed information about the Power+ fault codes refer to the Carel Power+ speed drive
user manual, chapter 8.3: Alarms table.
A brief summary follows here:
Display
Meaning
F100
No communications between Power+ drive and UC8
F101
Motor over-current
F102
Motor overload
F103
Over-voltage
F104
Under-voltage
F105
Drive too hot
F106
Drive too cold
F107
Drive over-current
F108
Motor too hot
F109
Reserved
F110
Drive internal error
F111
Incorrect parameter
F112
Excessive drive DC bus ripple (unbalanced mains phase voltages)
F113
Communication fault
F114
Internal fault
F115
Auto-tuning fault
F116
Drive disabled (input STO open circuit)
F117
Motor phase fault (possibly a motor wire has become loose)
F118
Drive internal fan fault
F119
Speed fault
F120
Power factor correction circuit overload
F121
Mains input voltage too high
F122
Mains input voltage too low
F123
Drive internal fault
F124
Reserved
F125
High earth current fault
F126
Drive processor overload
F127
Drive memory loss
F128
Drive overload protection
F197
Drive reports incorrect compressor speed
F198
Drive and compressor mismatch
F199
Drive configuration fault

TemperZone UC8 Specifications

General

Brand	TemperZone
Model	UC8
Category	Controller
Language	English