Table of Contents
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Problem
Problem
• No display
No hot water
•
No display
•
•
High water
temperature
•
Display, no
hot water
Drip from
•
pipe joints
Drip from
•
enclosure
•
Display "E0"
•
Display "E1"
•
Display "E2"
•
Display "E3"
•
Display "EH"
•
Display "EL"
•
Display "EA"
Troubleshooting
Ossible causes
ossible causes
P
No power to heater
No power in electric socket
Failure in control circuit
or internal wiring
High temperature limit
switch open
Electrical circuit failure
Heating elements or
internal circuit failure
Unsealed joints
Tank or accessories leakage
Drain blocked
Condensate pipe distorted
or not downward facing
Blue wire of two-core terminal
open circuit or short circuit
Red wire of two-core terminal
open circuit or short circuit
Black wire of two-core terminal
open circuit or short circuit
White wire of two-core terminal
open circuit or short circuit
Ultra High temperature
Low voltage protection
The relay breakdown
1)
2) Call
13
Corrective action
Corrective action
Switch on power to heater
Check power socket
Call
local authorized dealer
Switch off power supply
Call
local authorized dealer
Call
local authorized dealer
Reconnect pipes of water
heater and be sure to use
seal tape
Disconnect power to
heater immediately
Check & make condensate
pipe downwards
Call
local authorized dealer
Call
local authorized dealer
Call
local authorized dealer
Call
local authorized dealer
Call
local authorized dealer
Call
local authorized dealer
Call
local authorized dealer
Switch off power supply
local authorized dealer
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