![Hoshizaki HNC-150-BE-L-B [41/41] Service diagnosis](/img/pdf.png)
Hoshizaki HNC-150-BE-L-B [41/41] Service diagnosis
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38
11. SERVICE DIAGNOSIS
PROBLEM POSSIBLE CAUSE REMEDEY
[1] Showcase will not
start.
1. Ground fault circuit interrupter in
OFF position.
1. Turn ON.
2. Unplugged. 2. Plug in.
3. Supply voltage too low. 3. Plug into a separate receptacle of
220 - 240V ± 6%.
4. No power supply to the wall outlet.
(Breaker or fuse blown out.)
4. Correct.
5. Electrical circuit open or bad
contacts.
5. Correct.
6. Motor protector tripped. 6. Ventilate and reset fan motor.
[2] Poor cooling
performance
1. Gas leaks. 1. Repair the leaks and recharge.
2. Fan motor defective. 2. Replace.
3. Condenser and/or air lter clogged. 3. Clean.
4. Condenser air inlet blocked. 4 - 9. Instruct the user on
characteristics and proper use
of the showcase.
5. Exposed to direct sunlight.
6. Located next to a high heat
producing equipment.
7. Doors opened too frequently or left
open.
8. Packed with foods, or warm or hot
foods inside.
9. Ambient temperature exceeding
30°C.
[3] Dry foods 1. Foods have been stored from the
previous day.
1 - 2. Instruct the user on
characteristics and proper use
of the showcase.
2. Foods have been stored for a long
time.
[4] Frosting 1. [Exterior] Relative humidity
exceeding 60%.
1 - 2. Instruct the user on
characteristics and proper
use of the showcase. Wipe off
excessive frost with a soft cloth.
2. [Interior] Doors opened too
frequently or left open.
Содержание
- Counter showcase 1
- Hnc 120be l r b hnc 150be l r b hnc 180be l r b hnc 210be l r b 1
- Service manual 1
- Contents 2
- Important 2
- Safety instructions 4
- Warning 4
- Caution 5
- H nc 120 b e l r b 6
- Model name 6
- Important 7
- Operating instructions 7
- Dimensions specifications 8
- 参考図 9
- 参考図 12
- 参考図 21
- 参考図 24
- 参考図 27
- 参考図 30
- Refrigerant r134a 32
- Refrigeration circuit 32
- Wiring diagram 33
- Construction 35
- Caution 36
- Removal and replacement 36
- Refrigerant service information 38
- Constant pressure expansion valve and refrigerant charge 39
- Important 40
- Warning 40
- Service diagnosis 41
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