Danfoss ERC 211 User Guide

Troubleshooting
Table 39: Troubleshooting
Problem
Probable cause
Remedy
Compressor does not start
Waiting for compressor delay timer
Check c-- →C02
Defrost in progress
Check d-- → d03
Check d-- → d19
Line voltage to compressor too low or too high
Check A-- → A72
Check A-- → A73
Check A-- → A75
Defrost does not start
Controller in pull down mode
Check r-- → r96
Pull-down does not start
Pull-down max duration is 0
Check r-- → r96
Pull-down limit temperature too high
Check r-- → r97
Wrong temperature displayed
Wrong type of sensor selected
Check cFg → o06
© Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 33
Electronic refrigeration control, type ERC 21X

Danfoss ERC 211 Specifications

General

Brand	Danfoss
Model	ERC 211
Category	Controller
Language	English