Troubleshooting; Overview: Troubleshooting; Precautions When Troubleshooting; Solving Problems Based On Error Codes - Daikin VAM350J VEB Series User Reference Manual

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Troubleshooting

21 Troubleshooting
In this chapter

21.1 Overview: Troubleshooting

21.2 Precautions when troubleshooting

21.3 Solving problems based on error codes

21.3.1 Error codes: Overview

Installer and user reference guide
102
21.1 Overview: Troubleshooting .................................................................................................................................................... 102
21.2 Precautions when troubleshooting........................................................................................................................................ 102
21.3 Solving problems based on error codes................................................................................................................................. 102
21.3.1 Error codes: Overview............................................................................................................................................ 102
This chapter describes what you have to do in case of problems.
It contains information about solving problems based on error codes.
Before troubleshooting
Carry out a thorough visual inspection of the unit and look for obvious defects such
as loose connections or defective wiring.
WARNING
▪
When carrying out an inspection on the switch box of the unit, ALWAYS make
sure that the unit is disconnected from the mains. Turn off the respective circuit
breaker.
▪
When a safety device was activated, stop the unit and find out why the safety
device was activated before resetting it. NEVER shunt safety devices or change
their values to a value other than the factory default setting. If you are unable to
find the cause of the problem, call your dealer.
DANGER: RISK OF ELECTROCUTION
WARNING
Prevent hazards due to inadvertent resetting of the thermal cut-out: power to this
appliance MUST NOT be supplied through an external switching device, such as a
timer, or connected to a circuit that is regularly turned ON and OFF by the utility.
In case a malfunction code is shown on the display, consult the dealer where the
unit was purchased.
(a)
Code Description
EEPROM failure
Locked rotor
VAM350~2000J*VEB*
Heat reclaim ventilation unit
4P664012-1A – 2024.01