Ecoplus ZR9W-250T Instruction Manual page 14

.CONTROLLER INTRODUCTION
Set parameter data
when having this fault
2.2.3.2 Click
SOLUTION
Corresponding Fault
First fault possibility and
solution
Second fault possibility
and solution
Third fault possibility
and solution
Forth fault possibility
and solution
Solution
to access solution for this fault, see detail solution
1.3 Fault query
Details of "EE01 2014-09-17 08:22 "
EE01: system high pressure protection
EEV manual steps
Electric heater start delay time
Efficiency Alarm time
1.3 Fault query
Solution of " EE01"
1. Bad connection between high pressure
switch lead wire and PCB board "prot2"
terminal :please ensure both 2 lead wires
of high pressure switch are in good
condition and well fixed on terminal
"PROT2" on PCB board.
1.3 Fault query
Solution of "EE01"
2. Not enough water inside tank(or weak water
flow volume for split model) will cause EE01.
Please ensure there is enough water inside
tank, make sure no block for the entire water
circuit (for split model, make sure no air on
the water pipes)
1.3 Fault query
Solution of "EE01"
3. High water temp. Above 60 C or high ambient
o
temp. above 35 C will cause EE01. Please
ensure to lower the target water temp. Please
replace with boiler for higher temp. hot water
heating).
1.3 Fault query
Solution of "EE01"
4. If EEV(auto working state) actual opening
is too small or too big , will also cause EE01.
Please contact us or to adjust the target
overheat opening (make it bigger or smaller).
Or you may change the EEV working state to
be " manual", then amend the initial opening
( to be bigger or smaller)
11
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350S
2 hours
5 hours
SOLUTION
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