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[
IX
Troubleshooting ]
- 140 -
HWE1113B
GB
2501
1. Error
Code
Water pump fault
2. Error definition and error detection method
When clogged water circuit or water leaks from the water circuit is detected, the water pump is stopped for protection.
When the following statuses are detected, the pump will be stopped.
The revolutions of the water pump exceeds the specific range.
Pump discharge port: TH34, TH35 > 53ºC [127ºF]
3. Cause, check method and remedy
If a sudden water leak occurs, replace the water pressure protection valves because they may be the cause.
2501
Cause
Check method and remedy
(1)
Water circuit is clogged.
1)
Check for tightened water flow rate control valves or field-
installed valves.
(2)
Water leaks from the water circuit
2)
Check the pump for proper sound.
If there is air in the circuit, it makes a noise.
(3)
Air infiltration through the air vent valve
3)
Check that any air vent valves are not installed in the water
circuit on the suction side water pump.
If an air vent valve is installed in the water circuit on the suc-
tion side water pump, it will cause the air infiltration.
(4)
Broken or semi-broken thermistor wire
4)
Check for a broken thermistor wire.
(5)
Thermistor failure
5)
Check the resistance of the thermistor.
0°C [32°F] : 6.0k
ȍ
10°C [50°F] : 3.9k
ȍ
20°C [68°F]: 2.6k
ȍ
30°C [86°F] : 1.8k
ȍ
40°C [104°F] : 1.3k
ȍ
(6)
Semi-broken pump wire
6)
Check for semi-broken pump wires.
Содержание City Multi CMB-WP108V-G
Страница 1: ...AIR CONDITIONER 2014 Service Handbook PURY WP200 WP250YJM A CMB WP108V G Model 3rd edition ...
Страница 11: ... 2 HWE1113B GB ...
Страница 27: ... I Read Before Servicing 18 HWE1113B GB ...
Страница 29: ... 20 HWE1113B GB ...
Страница 57: ... 48 HWE1113B GB ...
Страница 70: ... III Outdoor Unit Components 61 HWE1113B GB 2 Power supply circuit board ...
Страница 71: ... III Outdoor Unit Components 62 HWE1113B GB ...
Страница 73: ... 64 HWE1113B GB ...
Страница 81: ... IV Remote Controller 72 HWE1113B GB ...
Страница 83: ... 74 HWE1113B GB ...
Страница 88: ... 79 HWE1113B GB VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 81 2 Principal Parts and Functions 83 ...
Страница 89: ... 80 HWE1113B GB ...
Страница 97: ... 88 HWE1113B GB ...
Страница 127: ... 118 HWE1113B GB ...
Страница 135: ... VIII Test Run Mode 126 HWE1113B GB ...
Страница 137: ... 128 HWE1113B GB ...
Страница 252: ... 243 HWE1113B GB X LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 245 ...
Страница 253: ... 244 HWE1113B GB ...