Peraqua 7300271, Installation And User Manual

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For installers and professionals
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4. Failure code
NO. Display Failure description
1 E1 High pressure protection
2 E2 Low pressure protection
3 E3 No water protection (not failure)
4 E4 3 phase sequence protection (three phase only)
5 E5 Not failure, power supply excesses operation range
6 E6
Excessive temp difference between inlet and outlet
water(Insufficient water flow protection)
7 E7 Water outlet temp too high or too low protection
8 E8 High exhaust temp protection
9 EA cooling coil pipe(heat exchanger)overheat protection
10 Eb Ambient temperature too high or too low protection
11 Ed Anti-freezing reminder (not failure )
12 P0 Controller communication failure
13 P1 Water inlet temp sensor failure
14 P2 Water outlet temp sensor failure
15 P3 Gas exhaust temp sensor failure
16 P4
Cooling coil pipe (heat exchanger) temp sensor failure at
cooling mode
17 P5 Gas return temp sensor failure
18 P6 Heating coil pipe (evaporator) temp sensor failure
19 P7 Ambient temp sensor failure
20 P8 Cooling plate temp sensor failure
21 P9 Current sensor failure
22 PA Restart memory failure
23 F1 Compressor drive module failure
24 F2 PFC module failure
25 F3 Compressor start failure
26 F4 Compressor running failure
27 F5 Inverter board over current protection
28 F6 Inverter board overheat protection
29 F7 Current protection
30 F8 Cooling plate overheat protection
31 F9 Fan motor failure
32 Fb Capacitor & power filter plate No-power protection